DEN Denbury Inc

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Note 1. Basis of Presentation

Organization and Nature of Operations

Denbury Inc., a Delaware corporation, is an independent energy company with operations focused in the Gulf Coast and Rocky Mountain regions of the United States. The Company is differentiated by its focus on CO2 enhanced oil recovery (“EOR”) and the emerging carbon capture, use, and storage (“CCUS”) industry, supported by the Company’s CO2 EOR technical and operational expertise and its extensive CO2 pipeline infrastructure.

Interim Financial Statements

The accompanying unaudited condensed consolidated financial statements of Denbury Inc. and its subsidiaries have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”) and do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.  These financial statements and the notes thereto should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2022 (the “Form 10-K”).  Unless indicated otherwise or the context requires, the terms “we,” “our,” “us,” “Company” or “Denbury,” refer to Denbury Inc. and its subsidiaries.

Accounting measurements at interim dates inherently involve greater reliance on estimates than at year end, and the results of operations for the interim periods shown in this report are not necessarily indicative of results to be expected for the year.  In management’s opinion, the accompanying unaudited condensed consolidated financial statements include all adjustments of a normal recurring nature necessary for a fair presentation of our consolidated financial position as of March 31, 2023, our consolidated results of operations for the three months ended March 31, 2023 and 2022, our consolidated cash flows for the three months ended March 31, 2023 and 2022, and our consolidated statements of changes in stockholders’ equity for the three months ended March 31, 2023 and 2022.

Reclassifications

Certain prior period amounts have been reclassified to conform to the current year presentation. Such reclassifications had no impact on our reported net income (loss), current assets, total assets, current liabilities, total liabilities or stockholders’ equity.

Cash, Cash Equivalents, and Restricted Cash

We consider all highly liquid investments to be cash equivalents if they have maturities of three months or less at the date of purchase. The following table provides a reconciliation of cash, cash equivalents, and restricted cash as reported within the Unaudited Condensed Consolidated Balance Sheets to “Cash, cash equivalents, and restricted cash at end of period” as reported within the Unaudited Condensed Consolidated Statements of Cash Flows:

In thousands						March 31, 2023						March 31, 2022
Cash and cash equivalents						$	525					$	517
Restricted cash for future asset retirement obligations						47,424						46,695
Total cash, cash equivalents, and restricted cash shown in the Unaudited Condensed Consolidated Statements of Cash Flows						$	47,949					$	47,212

Restricted cash for future asset retirement obligations in the table above consists of escrow accounts that are legally restricted for certain of our asset retirement obligations.

Net Income (Loss) per Common Share

Basic net income (loss) per common share is computed by dividing the net income (loss) attributable to common stockholders by the weighted average number of shares of common stock outstanding during the period.  Basic weighted average common shares exclude shares of nonvested restricted stock (although nonvested restricted stock is issued and outstanding upon grant). As these restricted shares vest, they will be included in the shares outstanding used to calculate basic

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net income (loss) per common share.  Restricted stock units and performance stock units are also excluded from basic weighted average common shares outstanding until the vesting date. Basic weighted average common shares during the three months ended March 31, 2023 includes 1,775,182 performance-based and restricted stock units which are fully vested as of March 31, 2023; however, the shares underlying these awards are not included in shares currently issued or outstanding as actual delivery of the shares is not scheduled to occur until December 4, 2023.

Diluted net income (loss) per common share is calculated in the same manner but includes the impact of all potentially dilutive securities. Potentially dilutive securities include restricted stock, restricted stock units, performance stock units, shares to be issued under the employee stock purchase plan (“ESPP”), and series A and series B warrants.

For each of the three months ended March 31, 2023 and 2022, there were no adjustments to net income (loss) for purposes of calculating basic and diluted net income (loss) per common share.

The following table sets forth the weighted average shares used for purposes of calculating basic and diluted net income (loss) per common share for the periods indicated:

						Three Months Ended
						March 31,
In thousands						2023						2022
Weighted average common shares outstanding – basic						51,503						51,602
Effect of potentially dilutive securities
Restricted stock, restricted stock units and performance stock units						360						—
Warrants						1,899						—
Employee Stock Purchase Program						1						—
Weighted average common shares outstanding – diluted						53,763						51,602

For the three months ended March 31, 2022, the weighted average common shares outstanding used to calculate basic earnings per share and diluted earnings per share were the same, since the Company recorded a net loss for the period. Assuming the Company had recorded net income during the three months ended March 31, 2022, the weighted average diluted shares outstanding would have been 55.0 million (including the impact of 0.6 million restricted stock units and 2.8 million shares with respect to warrants).

For purposes of calculating diluted weighted average common shares, unvested restricted stock units, unvested restricted stock, unvested performance stock units, ESPP shares and unexercised warrants are included in the diluted shares computation using the treasury stock method.

The following outstanding securities were excluded from the computation of diluted net income (loss) per share for the three months ended March 31, 2023 and March 31, 2022, as their effect would have been antidilutive, as of the respective dates:

						March 31,
In thousands						2023						2022
Restricted stock, restricted stock units and performance stock units						490						1,005
Warrants						—						5,162

At March 31, 2023, the Company had approximately 2.9 million warrants outstanding that can be exercised for shares of our common stock, at an exercise price of $32.59 per share for the 1.8 million Series A warrants outstanding and at an exercise price of $35.41 per share for the 1.1 million Series B warrants outstanding. The warrants may be exercised for cash or on a cashless basis. The Series A warrants are exercisable until September 18, 2025, and the Series B warrants are exercisable until

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September 18, 2023, at which times the warrants expire. Through March 31, 2023, 0.9 million series A warrants and 1.8 million series B warrants were exercised for a total of 1.5 million shares, most of which were exercised on a cashless basis.

Oil and Natural Gas Properties

Write-Down of Oil and Natural Gas Properties. Under full cost accounting, the net capitalized costs of oil and natural gas properties are limited to the lower of unamortized cost or the cost center ceiling. The cost center ceiling is defined as (1) the present value of estimated future net revenues from proved oil and natural gas reserves before future abandonment costs (discounted at 10%), based on the average first-day-of-the-month oil and natural gas price for each month during a 12-month rolling period prior to the end of a particular reporting period; plus (2) the cost of properties not being amortized; plus (3) the lower of cost or estimated fair value of unproved properties included in the costs being amortized, if any; less (4) related income tax effects. Our future net revenues from proved oil and natural gas reserves are not reduced for development costs related to the cost of drilling for and developing CO2 reserves nor those related to the cost of constructing CO2 pipelines, as we do not have to incur additional CO2 capital costs to develop the proved oil and natural gas reserves. Therefore, we include in the ceiling test, as a reduction of future net revenues, that portion of our capitalized CO2 costs related to CO2 reserves and CO2 pipelines that we estimate will be consumed in the process of producing our proved oil and natural gas reserves. The fair value of our oil and natural gas derivative contracts is not included in the ceiling test, as we do not designate these contracts as hedge instruments for accounting purposes. The cost center ceiling test is prepared quarterly.

We did not record a ceiling test write-down during the three months ended March 31, 2023 or March 31, 2022.

CCUS Storage Sites and Other Assets

CCUS Investments. During the first quarter of 2023, we made two investments in carbon capture technology companies, including a $2 million equity investment in Aqualung Carbon Capture AS and a $5 million equity investment in ION Clean Energy, Inc. In April 2023, based on the achievement of certain milestones, we invested the remaining $10 million of our original $20 million commitment in Clean Hydrogen Works, the project development company of a planned blue hydrogen/ammonia multi-block facility for which we have signed a definitive agreement for the transportation and storage of CO2 for the first two blocks of the proposed plant. These investments are included in “Other assets” in the Unaudited Condensed Consolidated Balance Sheet as of March 31, 2023.

Note 2. Revenue Recognition

We record revenue in accordance with Financial Accounting Standards Board (“FASB”) Codification (“FASC”) Topic 606, Revenue from Contracts with Customers. The core principle of FASC Topic 606 is that an entity should recognize revenue for the transfer of goods or services equal to the amount of consideration that it expects to be entitled to receive for those goods or services. Once we have delivered the volume of commodity to the delivery point and the customer takes delivery and possession, we are entitled to payment and we invoice the customer for such delivered production. Payment under most oil and CO2 contracts is received within one month following product delivery, and for natural gas and NGL contracts, payment is generally received within two months following delivery. Timing of revenue recognition may differ from the timing of invoicing to customers; however, as the right to consideration after delivery is unconditional based on only the passage of time before payment of the consideration is due, upon delivery we record a receivable in “Accrued production receivable” in our Unaudited Condensed Consolidated Balance Sheets. In certain situations, the Company enters into marketing arrangements for the purchase and subsequent sale of crude oil from third parties. We recognize the revenue received and the associated expense incurred on these sales on a gross basis, as “Oil marketing revenues” and “Oil marketing purchases” in our Unaudited Condensed Consolidated Statements of Operations, since we act as a principal in the transaction by assuming control of the commodities purchased and responsibility to deliver the commodities sold. Revenue is recognized when control transfers to the purchaser at the delivery point based on the price received from the purchaser.

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Disaggregation of Revenue

The following table summarizes our revenues by product type for the three months ended March 31, 2023 and 2022:

						Three Months Ended
						March 31,
In thousands						2023						2022
Oil sales						$	312,572					$	381,242
Natural gas sales						1,917						3,669
CO2 sales and transportation fees						10,686						13,422
Oil marketing revenues						14,548						13,276
Total revenues						$	339,723					$	411,609

Note 3. Long-Term Debt

The table below reflects long-term debt outstanding as of the dates indicated:

In thousands						March 31, 2023						December 31, 2022
Senior Secured Bank Credit Agreement						$	68,000					$	29,000
Capital lease obligations						383						—
Total debt principal balance						68,383						29,000
Less: current maturities of long-term debt						(107)						—
Long-term debt and capital lease obligations						$	68,276					$	29,000

Senior Secured Bank Credit Agreement

In September 2020, we entered into a credit agreement with JPMorgan Chase Bank, N.A., as administrative agent, and other lenders party thereto (as amended, the “Bank Credit Agreement”). The Bank Credit Agreement is a senior secured revolving credit facility with a maturity date of May 4, 2027. Under the Bank Credit Agreement, letters of credit are available in an aggregate amount not to exceed $100 million, and short-term swingline loans are available in an aggregate amount not to exceed $25 million, each subject to the available commitments under the Bank Credit Agreement. Availability under the Bank Credit Agreement is subject to a borrowing base, which is redetermined semiannually on or around May 1 and November 1 of each year. The borrowing base is adjusted at the lenders’ discretion and is based, in part, upon external factors over which we have no control. If our outstanding debt under the Bank Credit Agreement exceeds the then-effective borrowing base, we would be required to repay the excess amount over a period not to exceed six months. As part of our Spring 2023 semiannual borrowing base redetermination, the borrowing base and lender commitments for our Bank Credit Agreement were reaffirmed at $750 million, with our next scheduled redetermination around November 1, 2023. The undrawn portion of the aggregate lender commitments under the Bank Credit Agreement is subject to a commitment fee of 0.5% per annum. As of March 31, 2023, we had $10.1 million of outstanding letters of credit.

On January 20, 2023, we entered into a Third Amendment to the Bank Credit Agreement, which among other things, provides us the ability to make and repay certain Secured Overnight Financing Rate (“SOFR”) loan borrowings on a weekly basis.

The Bank Credit Agreement limits our ability to, among other things, incur and repay other indebtedness; grant liens; engage in certain mergers, consolidations, liquidations and dissolutions; engage in sales of assets; make acquisitions and investments; make other restricted payments (including redeeming, repurchasing or retiring our common stock); and enter into commodity derivative agreements, in each case subject to certain exceptions to such limitations, as specified in the Bank Credit Agreement.

The Bank Credit Agreement is secured by (1) our proved oil and natural gas properties, which are held through our restricted subsidiaries; (2) the pledge of equity interests of such subsidiaries; (3) a pledge of our commodity derivative

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agreements; (4) a pledge of deposit accounts, securities accounts and our commodity accounts of Denbury Inc. and such subsidiaries (as applicable); and (5) a security interest in substantially all other collateral that may be perfected by a Uniform Commercial Code filing, subject to certain exceptions.

The Bank Credit Agreement contains certain financial performance covenants including the following:

•A Consolidated Total Debt to Consolidated EBITDAX covenant (as defined in the Bank Credit Agreement), with such ratio not to exceed 3.5 times; and

•A requirement to maintain a current ratio (i.e., Consolidated Current Assets to Consolidated Current Liabilities) of 1.0.

For purposes of computing the current ratio per the Bank Credit Agreement, Consolidated Current Assets exclude the current portion of derivative assets but include available borrowing capacity under the Bank Credit Agreement, and Consolidated Current Liabilities exclude the current portion of derivative liabilities as well as the current portions of long-term indebtedness outstanding. The weighted average interest rate on borrowings outstanding as of March 31, 2023 under the Bank Credit Agreement was 8%. As of March 31, 2023, we were in compliance with all debt covenants under the Bank Credit Agreement.

The above description of our Bank Credit Agreement, including certain referenced defined terms, is a summary of certain principal terms and conditions contained in the Bank Credit Agreement and amendments thereto.

Note 4. Stockholders’ Equity

Share Repurchase Program

In early May 2022, our Board of Directors authorized a common share repurchase program for up to $250 million of outstanding Denbury common stock. During June and July 2022, the Company repurchased 1,615,356 shares of Denbury common stock under this program for approximately $100 million, at an average price of $61.92 per share. In August 2022, the Board increased Denbury’s stock repurchase authorization by $100 million, thus a total of $250 million of common stock currently remains authorized for future repurchases under this program. The program has no pre-established ending date and may be suspended or discontinued at any time. The Company is not obligated to repurchase any dollar amount or specific number of shares of its common stock under the program.

Retirement of Treasury Stock

During the year ended December 31, 2022, we retired 1.6 million shares of existing treasury stock, with a carrying value of $100 million, acquired through our stock repurchase program. Upon the retirement of treasury stock, we reduce common stock by the par value of common stock retired, and we reduce additional paid-in capital by the value of those shares in excess of par value.

Tax Withholding and Treasury Stock Retirement in Connection with Stock Compensation Plans

Note 5. Income Taxes

We make estimates and judgments in determining our income tax expense for financial reporting purposes. These estimates and judgments occur in the calculation of certain tax assets and liabilities that arise from differences in the timing and recognition of revenue and expense for tax and financial reporting purposes. Significant judgment is required in estimating valuation allowances, and in making this determination we consider all available positive and negative evidence and make certain assumptions. The realization of a deferred tax asset ultimately depends on the existence of sufficient taxable income in the applicable carryback or carryforward periods. In our assessment, we consider the nature, frequency, and severity of current

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and cumulative losses, as well as historical and forecasted financial results, the overall business environment, our industry’s historic cyclicality, the reversal of existing deferred tax assets and liabilities, and tax planning strategies.

We assess the valuation allowance recorded on our deferred tax assets on a quarterly basis, which was $59.2 million at December 31, 2022. This valuation allowance relates primarily to our Louisiana net deferred tax assets of $55.4 million, as well as our Alabama net deferred tax assets and certain Mississippi tax credits totaling $3.8 million. We have concluded that the benefits of such deferred tax assets are not more likely than not to be realized due to lack of sufficient taxable income to fully realize the benefits of such deferred tax assets.

We evaluate our estimated annual effective income tax rate based on current and forecasted business results and enacted tax laws on a quarterly basis and apply this tax rate to our ordinary income or loss to calculate our estimated tax liability or benefit. Our income taxes are based on an estimated combined federal and state statutory rate of approximately 25% in 2023 and 2022. Our effective tax rate for the three months ended March 31, 2023 was slightly lower than our estimated statutory rate primarily due to excess stock compensation deductions that were recorded discretely in the quarter. Our effective tax rate for the three months ended March 31, 2022 was higher than our estimated statutory rate due to the release of a portion of the valuation allowance on our deferred tax assets combined with the net loss for the period.

Note 6. Commodity Derivative Contracts

We do not apply hedge accounting treatment to our oil and natural gas derivative contracts; therefore, the changes in the fair values of these instruments are recognized in income in the period of change.  These fair value changes, along with the settlements of expired contracts, are shown under “Commodity derivatives expense (income)” in our Unaudited Condensed Consolidated Statements of Operations.

Historically, we have entered into various oil and natural gas derivative contracts to provide an economic hedge of our exposure to commodity price risk associated with anticipated future oil and natural gas production and to provide more certainty to our future cash flows. We do not hold or issue derivative financial instruments for trading purposes. Generally, these contracts have consisted of various combinations of price floors, collars, three-way collars, fixed-price swaps, fixed-price swaps enhanced with a sold put, and basis swaps. The production that we hedge has varied from year to year depending on our levels of debt, financial strength and expectation of future commodity prices, and occasionally requirements under our bank credit facility.

We manage and control market and counterparty credit risk through established internal control procedures that are reviewed on an ongoing basis.  We attempt to minimize credit risk exposure to counterparties through formal credit policies, monitoring procedures and diversification, and all of our commodity derivative contracts are with parties that are lenders under our Bank Credit Agreement (or affiliates of such lenders). As of March 31, 2023, all of our outstanding derivative contracts were subject to enforceable master netting arrangements whereby payables on those contracts can be offset against receivables from separate derivative contracts with the same counterparty. It is our policy to classify derivative assets and liabilities on a gross basis on our balance sheets, even if the contracts are subject to enforceable master netting arrangements.

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The following table summarizes our commodity derivative contracts as of March 31, 2023, none of which are classified as hedging instruments in accordance with the FASC Derivatives and Hedging topic:

Months						Index Price						Volume (Barrels per day)						Contract Prices ($/Bbl)
																		Weighted Average Price
																		Swap						Floor						Ceiling
Oil Contracts:
2023 Fixed-Price Swaps
Apr – June						NYMEX						9,500						$	76.65					$	—					$	—
July – Dec						NYMEX						14,000						78.46						—						—
2023 Collars
Apr – June						NYMEX						17,500						$	—					$	69.71					$	100.42
July – Dec						NYMEX						9,000						—						68.33						100.69
2024 Fixed-Price Swaps
Jan – June						NYMEX						2,000						$	75.21					$	—					$	—
July – Dec						NYMEX						1,000						75.12						—						—

Note 7. Fair Value Measurements

The FASC Fair Value Measurement topic defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (often referred to as the “exit price”). We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market corroborated or generally unobservable. We primarily apply the income approach for recurring fair value measurements and endeavor to utilize the best available information. Accordingly, we utilize valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs. We are able to classify fair value balances based on the observability of those inputs. The FASC establishes a fair value hierarchy that prioritizes the inputs used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurement) and the lowest priority to unobservable inputs (Level 3 measurement). The three levels of the fair value hierarchy are as follows:

•Level 1 – Quoted prices in active markets for identical assets or liabilities as of the reporting date.

•Level 2 – Pricing inputs are other than quoted prices in active markets included in Level 1, which are either directly or indirectly observable as of the reported date. Level 2 includes those financial instruments that are valued using models or other valuation methodologies. Instruments in this category include non-exchange-traded oil derivatives that are based on NYMEX. Our costless collars are valued using the Black-Scholes model, an industry standard option valuation model that takes into account inputs such as contractual prices for the underlying instruments, maturity, quoted forward prices for commodities, interest rates, volatility factors and credit worthiness, as well as other relevant economic measures. Substantially all of these assumptions are observable in the marketplace throughout the full term of the instrument, can be derived from observable data or are supported by observable levels at which transactions are executed in the marketplace.

•Level 3 – Pricing inputs include significant inputs that are generally less observable. These inputs may be used with internally developed methodologies that result in management’s best estimate of fair value.

We adjust the valuations from the valuation model for nonperformance risk, using our estimate of the counterparty’s credit quality for asset positions and our credit quality for liability positions. We use multiple sources of third-party credit data in determining counterparty nonperformance risk, including credit default swaps.

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The following table sets forth, by level within the fair value hierarchy, our financial assets and liabilities that were accounted for at fair value on a recurring basis as of the periods indicated:

						Fair Value Measurements Using:
In thousands						Quoted Prices in Active Markets (Level 1)						Significant Other Observable Inputs (Level 2)						Significant Unobservable Inputs (Level 3)						Total
March 31, 2023
Assets
Oil derivative contracts – current						$	—					$	23,554					$	—					$	23,554
Oil derivative contracts – long-term						—						1,617						—						1,617
Total Assets						$	—					$	25,171					$	—					$	25,171
Liabilities
Oil derivative contracts – current						$	—					$	(1,613)					$	—					$	(1,613)
Total Liabilities						$	—					$	(1,613)					$	—					$	(1,613)
December 31, 2022
Assets
Oil derivative contracts – current						$	—					$	15,517					$	—					$	15,517
Total Assets						$	—					$	15,517					$	—					$	15,517
Liabilities
Oil derivative contracts – current						$	—					$	(13,018)					$	—					$	(13,018)
Total Liabilities						$	—					$	(13,018)					$	—					$	(13,018)

Since we do not apply hedge accounting for our commodity derivative contracts, any gains and losses on our assets and liabilities are included in “Commodity derivatives expense (income)” in the accompanying Unaudited Condensed Consolidated Statements of Operations.

Other Fair Value Measurements

The carrying value of our loans under our Bank Credit Agreement approximate fair value, as they are subject to short-term floating interest rates that approximate the rates available to us for those periods. The estimated fair value of the principal amount of our debt as of March 31, 2023 and December 31, 2022 was $68.0 million and $29.0 million, respectively. We have other financial instruments consisting primarily of cash, cash equivalents, U.S. Treasury notes, short-term receivables and payables that approximate fair value due to the nature of the instrument and the relatively short maturities.

Note 8. Commitments and Contingencies

Litigation and Regulatory Proceedings

We are involved in various lawsuits, claims and regulatory proceedings incidental to our businesses.  We are also subject to audits for various taxes (income, sales and use, and severance) in the various states in which we operate, and from time to time receive assessments for potential taxes that we may owe. While we currently believe that the ultimate outcome of these proceedings, individually and in the aggregate, will not have a material adverse effect on our financial position, results of operations or cash flows, litigation and regulatory proceedings are subject to inherent uncertainties.  We accrue for losses from litigation and claims if we determine that a loss is probable and the amount can be reasonably estimated.

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v3.23.1

Cover - shares	3 Months Ended
	Mar. 31, 2023	Apr. 30, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	001-12935
Entity Registrant Name	DENBURY INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	20-0467835
Entity Address, Address Line One	5851 Legacy Circle,
Entity Address, City or Town	Plano,
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75024
City Area Code	(972)
Local Phone Number	673-2000
Title of 12(b) Security	Common Stock $.001 Par Value
Trading Symbol	DEN
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Bankruptcy Proceedings, Reporting Current	true
Entity Common Stock, Shares Outstanding		50,277,186
Entity Central Index Key	0000945764
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Amendment Flag	false

v3.23.1

Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 525	$ 521
Accrued production receivable	143,484	144,277
Trade and other receivables, net	29,770	27,343
Derivative assets	23,554	15,517
Prepaids	14,803	18,572
Total current assets	212,136	206,230
Oil and natural gas properties (using full cost accounting)
Proved properties	1,474,721	1,414,779
Unevaluated properties	284,584	240,435
CO2 properties	192,107	190,985
Pipelines	218,822	220,125
CCUS storage sites and related assets	85,059	64,971
Other property and equipment	111,265	107,133
Less accumulated depletion, depreciation, amortization and impairment	(340,312)	(306,743)
Net property and equipment	2,026,246	1,931,685
Operating lease right-of-use assets	16,768	18,017
Derivative assets	1,617	0
Intangible assets, net	76,849	79,128
Restricted cash for future asset retirement obligations	47,424	47,359
Other assets	51,023	45,080
Total assets	2,432,063	2,327,499
Current liabilities
Accounts payable and accrued liabilities	215,291	248,800
Oil and gas production payable	77,507	80,368
Derivative liabilities	1,613	13,018
Current maturities of long-term debt	107	0
Operating lease liabilities	4,430	4,676
Total current liabilities	298,948	346,862
Long-term liabilities
Long-term debt, net of current portion	68,276	29,000
Asset retirement obligations	315,169	315,942
Deferred tax liabilities, net	97,031	71,120
Operating lease liabilities	14,407	15,431
Other liabilities	13,649	16,527
Total long-term liabilities	508,532	448,020
Commitments and contingencies (Note 8)
Stockholders’ equity
Preferred stock, $.001 par value, 50,000,000 shares authorized, none issued and outstanding	0	0
Common stock, $.001 par value, 250,000,000 shares authorized; 50,276,526 and 49,814,874 shares issued, respectively	50	50
Paid-in capital in excess of par	1,049,830	1,047,063
Retained earnings	574,703	485,504
Total stockholders’ equity	1,624,583	1,532,617
Total liabilities and stockholders’ equity	$ 2,432,063	$ 2,327,499

v3.23.1

Unaudited Condensed Consolidated Balance Sheet (Parenthetical) - $ / shares	Mar. 31, 2023	Dec. 31, 2022
Stockholders’ equity
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per shares)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	250,000,000	250,000,000
Common stock, shares issued (in shares)	50,276,526	49,814,874

v3.23.1

Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues	$ 339,723	$ 411,609
Other income	1,295	250
Total revenues and other income	341,018	411,859
Taxes other than income	29,038	31,381
General and administrative expenses	22,977	18,692
Interest, net of amounts capitalized of $1,693 and $1,158, respectively	927	657
Depletion, depreciation, and amortization	42,032	35,345
Commodity derivatives expense (income)	(23,123)	192,719
Other expenses	1,491	2,112
Total expenses	223,569	419,236
Income (loss) before income taxes	117,449	(7,377)
Income tax provision (benefit)	28,250	(6,505)
Net income (loss)	$ 89,199	$ (872)
Net income (loss) per common share
Basic (in dollars per shares)	$ 1.73	$ (0.02)
Diluted (in dollars per shares)	$ 1.66	$ (0.02)
Weighted average common shares outstanding
Basic (in shares)	51,503	51,602
Diluted (in shares)	53,763	51,602
Oil, natural gas, and related product sales
Revenues	$ 314,489	$ 384,911
Results of Operations, Production or Lifting Costs	129,174	117,828
Operating expenses	5,389	4,645
CO2 sales and transportation fees
Revenues	10,686	13,422
Operating expenses	1,196	2,817
Oil marketing revenues
Revenues	14,548	13,276
Operating expenses	$ 14,468	$ 13,040

v3.23.1

Unaudited Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Expenses
Interest costs capitalized	$ 1,693	$ 1,158

v3.23.1

Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities
Net income (loss)	$ 89,199	$ (872)
Adjustments to reconcile net income (loss) to cash flows from operating activities
Depletion, depreciation, and amortization	42,032	35,345
Deferred income taxes	25,912	(5,944)
Stock-based compensation	4,938	2,971
Commodity derivatives expense (income)	(23,123)	192,719
Receipt (payment) on settlements of commodity derivatives	2,065	(93,057)
Debt issuance costs	531	685
Other, net	(1,958)	(1,267)
Changes in assets and liabilities, net of effects from acquisitions
Accrued production receivable	793	(72,795)
Trade and other receivables	(2,425)	1,644
Other current and long-term assets	4,506	189
Accounts payable and accrued liabilities	(42,247)	11,410
Oil and natural gas production payable	(2,861)	23,348
Asset retirement obligations and other liabilities	(8,840)	(4,233)
Net cash provided by operating activities	88,522	90,143
Cash flows from investing activities
Oil and natural gas capital expenditures	(104,782)	(58,707)
CCUS storage sites and related capital expenditures	(14,645)	(14,900)
Acquisitions of oil and natural gas properties	(35)	0
Pipelines and plants capital expenditures	(623)	(15,204)
Equity investments	(7,108)	0
Other	(5,879)	(1,396)
Net cash used in investing activities	(133,072)	(90,207)
Cash flows from financing activities
Bank repayments	(319,000)	(274,000)
Bank borrowings	358,000	274,000
Other	5,619	(3,068)
Net cash provided by (used in) financing activities	44,619	(3,068)
Net increase (decrease) in cash, cash equivalents, and restricted cash	69	(3,132)
Cash, cash equivalents, and restricted cash at beginning of period	47,880	50,344
Cash, cash equivalents, and restricted cash at end of period	$ 47,949	$ 47,212

v3.23.1

Unaudited Condensed Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock ($.001 Par Value)	Paid-In Capital in Excess of Par	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2021		50,193,656
Beginning balance at Dec. 31, 2021	$ 1,135,390	$ 50	$ 1,129,996	$ 5,344
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued pursuant to stock compensation plans (in shares)		141,581
Stock-based compensation	3,142		3,142
Tax withholding for stock compensation plans	(58)		(58)
Issued pursuant to exercise of warrants (in shares)		14,153
Issued pursuant to exercise of warrants	47		47
Net income (loss)	(872)			(872)
Ending balance (in shares) at Mar. 31, 2022		50,349,390
Ending balance at Mar. 31, 2022	$ 1,137,649	$ 50	1,133,127	4,472
Beginning balance (in shares) at Dec. 31, 2022	49,814,874	49,814,874
Beginning balance at Dec. 31, 2022	$ 1,532,617	$ 50	1,047,063	485,504
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued pursuant to stock compensation plans (in shares)		268,748
Stock-based compensation	5,320		5,320
Tax withholding and retirement related to stock compensation plans (in shares)		(16,281)
Tax withholding and retirement related to stock compensation plans	(2,683)		(2,683)
Issued pursuant to exercise of warrants (in shares)		209,185
Issued pursuant to exercise of warrants	130		130
Net income (loss)	$ 89,199			89,199
Ending balance (in shares) at Mar. 31, 2023	50,276,526	50,276,526
Ending balance at Mar. 31, 2023	$ 1,624,583	$ 50	$ 1,049,830	$ 574,703

v3.23.1

Basis of Presentation	3 Months Ended
	Mar. 31, 2023
Accounting Policies [Abstract]
Basis of Presentation	Note 1. Basis of Presentation Organization and Nature of Operations Denbury Inc., a Delaware corporation, is an independent energy company with operations focused in the Gulf Coast and Rocky Mountain regions of the United States. The Company is differentiated by its focus on CO2 enhanced oil recovery (“EOR”) and the emerging carbon capture, use, and storage (“CCUS”) industry, supported by the Company’s CO2 EOR technical and operational expertise and its extensive CO2 pipeline infrastructure. Interim Financial Statements The accompanying unaudited condensed consolidated financial statements of Denbury Inc. and its subsidiaries have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”) and do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.  These financial statements and the notes thereto should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2022 (the “Form 10-K”).  Unless indicated otherwise or the context requires, the terms “we,” “our,” “us,” “Company” or “Denbury,” refer to Denbury Inc. and its subsidiaries. Accounting measurements at interim dates inherently involve greater reliance on estimates than at year end, and the results of operations for the interim periods shown in this report are not necessarily indicative of results to be expected for the year.  In management’s opinion, the accompanying unaudited condensed consolidated financial statements include all adjustments of a normal recurring nature necessary for a fair presentation of our consolidated financial position as of March 31, 2023, our consolidated results of operations for the three months ended March 31, 2023 and 2022, our consolidated cash flows for the three months ended March 31, 2023 and 2022, and our consolidated statements of changes in stockholders’ equity for the three months ended March 31, 2023 and 2022. Reclassifications Certain prior period amounts have been reclassified to conform to the current year presentation. Such reclassifications had no impact on our reported net income (loss), current assets, total assets, current liabilities, total liabilities or stockholders’ equity. Cash, Cash Equivalents, and Restricted Cash We consider all highly liquid investments to be cash equivalents if they have maturities of three months or less at the date of purchase. The following table provides a reconciliation of cash, cash equivalents, and restricted cash as reported within the Unaudited Condensed Consolidated Balance Sheets to “Cash, cash equivalents, and restricted cash at end of period” as reported within the Unaudited Condensed Consolidated Statements of Cash Flows: In thousands March 31, 2023 March 31, 2022 Cash and cash equivalents $ 525  $ 517  Restricted cash for future asset retirement obligations 47,424  46,695  Total cash, cash equivalents, and restricted cash shown in the Unaudited Condensed Consolidated Statements of Cash Flows $ 47,949  $ 47,212  Restricted cash for future asset retirement obligations in the table above consists of escrow accounts that are legally restricted for certain of our asset retirement obligations. Net Income (Loss) per Common Share Basic net income (loss) per common share is computed by dividing the net income (loss) attributable to common stockholders by the weighted average number of shares of common stock outstanding during the period.  Basic weighted average common shares exclude shares of nonvested restricted stock (although nonvested restricted stock is issued and outstanding upon grant). As these restricted shares vest, they will be included in the shares outstanding used to calculate basic net income (loss) per common share.  Restricted stock units and performance stock units are also excluded from basic weighted average common shares outstanding until the vesting date. Basic weighted average common shares during the three months ended March 31, 2023 includes 1,775,182 performance-based and restricted stock units which are fully vested as of March 31, 2023; however, the shares underlying these awards are not included in shares currently issued or outstanding as actual delivery of the shares is not scheduled to occur until December 4, 2023. Diluted net income (loss) per common share is calculated in the same manner but includes the impact of all potentially dilutive securities. Potentially dilutive securities include restricted stock, restricted stock units, performance stock units, shares to be issued under the employee stock purchase plan (“ESPP”), and series A and series B warrants. For each of the three months ended March 31, 2023 and 2022, there were no adjustments to net income (loss) for purposes of calculating basic and diluted net income (loss) per common share. The following table sets forth the weighted average shares used for purposes of calculating basic and diluted net income (loss) per common share for the periods indicated: Three Months Ended March 31, In thousands 2023 2022 Weighted average common shares outstanding – basic 51,503  51,602  Effect of potentially dilutive securities Restricted stock, restricted stock units and performance stock units 360  —  Warrants 1,899  —  Employee Stock Purchase Program 1  —  Weighted average common shares outstanding – diluted 53,763  51,602  For the three months ended March 31, 2022, the weighted average common shares outstanding used to calculate basic earnings per share and diluted earnings per share were the same, since the Company recorded a net loss for the period. Assuming the Company had recorded net income during the three months ended March 31, 2022, the weighted average diluted shares outstanding would have been 55.0 million (including the impact of 0.6 million restricted stock units and 2.8 million shares with respect to warrants). For purposes of calculating diluted weighted average common shares, unvested restricted stock units, unvested restricted stock, unvested performance stock units, ESPP shares and unexercised warrants are included in the diluted shares computation using the treasury stock method. The following outstanding securities were excluded from the computation of diluted net income (loss) per share for the three months ended March 31, 2023 and March 31, 2022, as their effect would have been antidilutive, as of the respective dates: March 31, In thousands 2023 2022 Restricted stock, restricted stock units and performance stock units 490  1,005  Warrants —  5,162  At March 31, 2023, the Company had approximately 2.9 million warrants outstanding that can be exercised for shares of our common stock, at an exercise price of $32.59 per share for the 1.8 million Series A warrants outstanding and at an exercise price of $35.41 per share for the 1.1 million Series B warrants outstanding. The warrants may be exercised for cash or on a cashless basis. The Series A warrants are exercisable until September 18, 2025, and the Series B warrants are exercisable until September 18, 2023, at which times the warrants expire. Through March 31, 2023, 0.9 million series A warrants and 1.8 million series B warrants were exercised for a total of 1.5 million shares, most of which were exercised on a cashless basis. Oil and Natural Gas Properties Write-Down of Oil and Natural Gas Properties. Under full cost accounting, the net capitalized costs of oil and natural gas properties are limited to the lower of unamortized cost or the cost center ceiling. The cost center ceiling is defined as (1) the present value of estimated future net revenues from proved oil and natural gas reserves before future abandonment costs (discounted at 10%), based on the average first-day-of-the-month oil and natural gas price for each month during a 12-month rolling period prior to the end of a particular reporting period; plus (2) the cost of properties not being amortized; plus (3) the lower of cost or estimated fair value of unproved properties included in the costs being amortized, if any; less (4) related income tax effects. Our future net revenues from proved oil and natural gas reserves are not reduced for development costs related to the cost of drilling for and developing CO2 reserves nor those related to the cost of constructing CO2 pipelines, as we do not have to incur additional CO2 capital costs to develop the proved oil and natural gas reserves. Therefore, we include in the ceiling test, as a reduction of future net revenues, that portion of our capitalized CO2 costs related to CO2 reserves and CO2 pipelines that we estimate will be consumed in the process of producing our proved oil and natural gas reserves. The fair value of our oil and natural gas derivative contracts is not included in the ceiling test, as we do not designate these contracts as hedge instruments for accounting purposes. The cost center ceiling test is prepared quarterly. We did not record a ceiling test write-down during the three months ended March 31, 2023 or March 31, 2022. CCUS Storage Sites and Other Assets CCUS Investments. During the first quarter of 2023, we made two investments in carbon capture technology companies, including a $2 million equity investment in Aqualung Carbon Capture AS and a $5 million equity investment in ION Clean Energy, Inc. In April 2023, based on the achievement of certain milestones, we invested the remaining $10 million of our original $20 million commitment in Clean Hydrogen Works, the project development company of a planned blue hydrogen/ammonia multi-block facility for which we have signed a definitive agreement for the transportation and storage of CO2 for the first two blocks of the proposed plant. These investments are included in “Other assets” in the Unaudited Condensed Consolidated Balance Sheet as of March 31, 2023.

v3.23.1

Revenue Recognition	3 Months Ended
	Mar. 31, 2023
Revenue from Contract with Customer [Abstract]
Revenue Recognition	Note 2. Revenue Recognition We record revenue in accordance with Financial Accounting Standards Board (“FASB”) Codification (“FASC”) Topic 606, Revenue from Contracts with Customers. The core principle of FASC Topic 606 is that an entity should recognize revenue for the transfer of goods or services equal to the amount of consideration that it expects to be entitled to receive for those goods or services. Once we have delivered the volume of commodity to the delivery point and the customer takes delivery and possession, we are entitled to payment and we invoice the customer for such delivered production. Payment under most oil and CO2 contracts is received within one month following product delivery, and for natural gas and NGL contracts, payment is generally received within two months following delivery. Timing of revenue recognition may differ from the timing of invoicing to customers; however, as the right to consideration after delivery is unconditional based on only the passage of time before payment of the consideration is due, upon delivery we record a receivable in “Accrued production receivable” in our Unaudited Condensed Consolidated Balance Sheets. In certain situations, the Company enters into marketing arrangements for the purchase and subsequent sale of crude oil from third parties. We recognize the revenue received and the associated expense incurred on these sales on a gross basis, as “Oil marketing revenues” and “Oil marketing purchases” in our Unaudited Condensed Consolidated Statements of Operations, since we act as a principal in the transaction by assuming control of the commodities purchased and responsibility to deliver the commodities sold. Revenue is recognized when control transfers to the purchaser at the delivery point based on the price received from the purchaser. Disaggregation of Revenue The following table summarizes our revenues by product type for the three months ended March 31, 2023 and 2022: Three Months Ended March 31, In thousands 2023 2022 Oil sales $ 312,572  $ 381,242  Natural gas sales 1,917  3,669  CO2 sales and transportation fees 10,686  13,422  Oil marketing revenues 14,548  13,276  Total revenues $ 339,723  $ 411,609

v3.23.1

Long-Term Debt	3 Months Ended
	Mar. 31, 2023
Debt Disclosure [Abstract]
Long-Term Debt	Note 3. Long-Term Debt The table below reflects long-term debt outstanding as of the dates indicated: In thousands March 31, 2023 December 31, 2022 Senior Secured Bank Credit Agreement $ 68,000  $ 29,000  Capital lease obligations 383  —  Total debt principal balance 68,383  29,000  Less: current maturities of long-term debt (107) —  Long-term debt and capital lease obligations $ 68,276  $ 29,000  Senior Secured Bank Credit Agreement In September 2020, we entered into a credit agreement with JPMorgan Chase Bank, N.A., as administrative agent, and other lenders party thereto (as amended, the “Bank Credit Agreement”). The Bank Credit Agreement is a senior secured revolving credit facility with a maturity date of May 4, 2027. Under the Bank Credit Agreement, letters of credit are available in an aggregate amount not to exceed $100 million, and short-term swingline loans are available in an aggregate amount not to exceed $25 million, each subject to the available commitments under the Bank Credit Agreement. Availability under the Bank Credit Agreement is subject to a borrowing base, which is redetermined semiannually on or around May 1 and November 1 of each year. The borrowing base is adjusted at the lenders’ discretion and is based, in part, upon external factors over which we have no control. If our outstanding debt under the Bank Credit Agreement exceeds the then-effective borrowing base, we would be required to repay the excess amount over a period not to exceed six months. As part of our Spring 2023 semiannual borrowing base redetermination, the borrowing base and lender commitments for our Bank Credit Agreement were reaffirmed at $750 million, with our next scheduled redetermination around November 1, 2023. The undrawn portion of the aggregate lender commitments under the Bank Credit Agreement is subject to a commitment fee of 0.5% per annum. As of March 31, 2023, we had $10.1 million of outstanding letters of credit. On January 20, 2023, we entered into a Third Amendment to the Bank Credit Agreement, which among other things, provides us the ability to make and repay certain Secured Overnight Financing Rate (“SOFR”) loan borrowings on a weekly basis. The Bank Credit Agreement limits our ability to, among other things, incur and repay other indebtedness; grant liens; engage in certain mergers, consolidations, liquidations and dissolutions; engage in sales of assets; make acquisitions and investments; make other restricted payments (including redeeming, repurchasing or retiring our common stock); and enter into commodity derivative agreements, in each case subject to certain exceptions to such limitations, as specified in the Bank Credit Agreement. The Bank Credit Agreement is secured by (1) our proved oil and natural gas properties, which are held through our restricted subsidiaries; (2) the pledge of equity interests of such subsidiaries; (3) a pledge of our commodity derivative agreements; (4) a pledge of deposit accounts, securities accounts and our commodity accounts of Denbury Inc. and such subsidiaries (as applicable); and (5) a security interest in substantially all other collateral that may be perfected by a Uniform Commercial Code filing, subject to certain exceptions. The Bank Credit Agreement contains certain financial performance covenants including the following: •A Consolidated Total Debt to Consolidated EBITDAX covenant (as defined in the Bank Credit Agreement), with such ratio not to exceed 3.5 times; and •A requirement to maintain a current ratio (i.e., Consolidated Current Assets to Consolidated Current Liabilities) of 1.0. For purposes of computing the current ratio per the Bank Credit Agreement, Consolidated Current Assets exclude the current portion of derivative assets but include available borrowing capacity under the Bank Credit Agreement, and Consolidated Current Liabilities exclude the current portion of derivative liabilities as well as the current portions of long-term indebtedness outstanding. The weighted average interest rate on borrowings outstanding as of March 31, 2023 under the Bank Credit Agreement was 8%. As of March 31, 2023, we were in compliance with all debt covenants under the Bank Credit Agreement. The above description of our Bank Credit Agreement, including certain referenced defined terms, is a summary of certain principal terms and conditions contained in the Bank Credit Agreement and amendments thereto.

v3.23.1

Stockholders' Equity	3 Months Ended
	Mar. 31, 2023
Stockholders' Equity Note [Abstract]
Stockholders' Equity	Note 4. Stockholders’ Equity Share Repurchase Program In early May 2022, our Board of Directors authorized a common share repurchase program for up to $250 million of outstanding Denbury common stock. During June and July 2022, the Company repurchased 1,615,356 shares of Denbury common stock under this program for approximately $100 million, at an average price of $61.92 per share. In August 2022, the Board increased Denbury’s stock repurchase authorization by $100 million, thus a total of $250 million of common stock currently remains authorized for future repurchases under this program. The program has no pre-established ending date and may be suspended or discontinued at any time. The Company is not obligated to repurchase any dollar amount or specific number of shares of its common stock under the program. Retirement of Treasury Stock During the year ended December 31, 2022, we retired 1.6 million shares of existing treasury stock, with a carrying value of $100 million, acquired through our stock repurchase program. Upon the retirement of treasury stock, we reduce common stock by the par value of common stock retired, and we reduce additional paid-in capital by the value of those shares in excess of par value. Tax Withholding and Treasury Stock Retirement in Connection with Stock Compensation Plans During the three months ended March 31, 2023, employees surrendered 16,281 shares of common stock, with a carrying value of approximately $1.4 million, to cover employee tax withholdings upon vesting of restricted stock awards, which shares were concurrently retired. For restricted stock units (“RSUs”), when the awards are settled the Company issues the net shares of common stock, reduced by the units surrendered to cover tax withholding. For the three months ended March 31, 2023, we decreased additional paid in capital by $1.3 million for tax withholdings on RSUs.

v3.23.1

Income Taxes	3 Months Ended
	Mar. 31, 2023
Income Tax Disclosure [Abstract]
Income Taxes	Note 5. Income Taxes We make estimates and judgments in determining our income tax expense for financial reporting purposes. These estimates and judgments occur in the calculation of certain tax assets and liabilities that arise from differences in the timing and recognition of revenue and expense for tax and financial reporting purposes. Significant judgment is required in estimating valuation allowances, and in making this determination we consider all available positive and negative evidence and make certain assumptions. The realization of a deferred tax asset ultimately depends on the existence of sufficient taxable income in the applicable carryback or carryforward periods. In our assessment, we consider the nature, frequency, and severity of current and cumulative losses, as well as historical and forecasted financial results, the overall business environment, our industry’s historic cyclicality, the reversal of existing deferred tax assets and liabilities, and tax planning strategies. We assess the valuation allowance recorded on our deferred tax assets on a quarterly basis, which was $59.2 million at December 31, 2022. This valuation allowance relates primarily to our Louisiana net deferred tax assets of $55.4 million, as well as our Alabama net deferred tax assets and certain Mississippi tax credits totaling $3.8 million. We have concluded that the benefits of such deferred tax assets are not more likely than not to be realized due to lack of sufficient taxable income to fully realize the benefits of such deferred tax assets. We evaluate our estimated annual effective income tax rate based on current and forecasted business results and enacted tax laws on a quarterly basis and apply this tax rate to our ordinary income or loss to calculate our estimated tax liability or benefit. Our income taxes are based on an estimated combined federal and state statutory rate of approximately 25% in 2023 and 2022. Our effective tax rate for the three months ended March 31, 2023 was slightly lower than our estimated statutory rate primarily due to excess stock compensation deductions that were recorded discretely in the quarter. Our effective tax rate for the three months ended March 31, 2022 was higher than our estimated statutory rate due to the release of a portion of the valuation allowance on our deferred tax assets combined with the net loss for the period.

v3.23.1

Commodity Derivative Contracts	3 Months Ended
	Mar. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Commodity Derivative Contracts	Note 6. Commodity Derivative Contracts We do not apply hedge accounting treatment to our oil and natural gas derivative contracts; therefore, the changes in the fair values of these instruments are recognized in income in the period of change.  These fair value changes, along with the settlements of expired contracts, are shown under “Commodity derivatives expense (income)” in our Unaudited Condensed Consolidated Statements of Operations. Historically, we have entered into various oil and natural gas derivative contracts to provide an economic hedge of our exposure to commodity price risk associated with anticipated future oil and natural gas production and to provide more certainty to our future cash flows. We do not hold or issue derivative financial instruments for trading purposes. Generally, these contracts have consisted of various combinations of price floors, collars, three-way collars, fixed-price swaps, fixed-price swaps enhanced with a sold put, and basis swaps. The production that we hedge has varied from year to year depending on our levels of debt, financial strength and expectation of future commodity prices, and occasionally requirements under our bank credit facility. We manage and control market and counterparty credit risk through established internal control procedures that are reviewed on an ongoing basis.  We attempt to minimize credit risk exposure to counterparties through formal credit policies, monitoring procedures and diversification, and all of our commodity derivative contracts are with parties that are lenders under our Bank Credit Agreement (or affiliates of such lenders). As of March 31, 2023, all of our outstanding derivative contracts were subject to enforceable master netting arrangements whereby payables on those contracts can be offset against receivables from separate derivative contracts with the same counterparty. It is our policy to classify derivative assets and liabilities on a gross basis on our balance sheets, even if the contracts are subject to enforceable master netting arrangements. The following table summarizes our commodity derivative contracts as of March 31, 2023, none of which are classified as hedging instruments in accordance with the FASC Derivatives and Hedging topic: Months Index Price Volume (Barrels per day) Contract Prices ($/Bbl) Weighted Average Price Swap Floor Ceiling Oil Contracts:       2023 Fixed-Price Swaps Apr – June NYMEX 9,500 $ 76.65  $ —  $ —  July – Dec NYMEX 14,000 78.46  —  —  2023 Collars Apr – June NYMEX 17,500 $ —  $ 69.71  $ 100.42  July – Dec NYMEX 9,000 —  68.33  100.69  2024 Fixed-Price Swaps Jan – June NYMEX 2,000 $ 75.21  $ —  $ —  July – Dec NYMEX 1,000 75.12  —  —

v3.23.1

Fair Value Measurements	3 Months Ended
	Mar. 31, 2023
Fair Value Disclosures [Abstract]
Fair Value Measurements	Note 7. Fair Value Measurements The FASC Fair Value Measurement topic defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (often referred to as the “exit price”). We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market corroborated or generally unobservable. We primarily apply the income approach for recurring fair value measurements and endeavor to utilize the best available information. Accordingly, we utilize valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs. We are able to classify fair value balances based on the observability of those inputs. The FASC establishes a fair value hierarchy that prioritizes the inputs used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurement) and the lowest priority to unobservable inputs (Level 3 measurement). The three levels of the fair value hierarchy are as follows: •Level 1 – Quoted prices in active markets for identical assets or liabilities as of the reporting date. •Level 2 – Pricing inputs are other than quoted prices in active markets included in Level 1, which are either directly or indirectly observable as of the reported date. Level 2 includes those financial instruments that are valued using models or other valuation methodologies. Instruments in this category include non-exchange-traded oil derivatives that are based on NYMEX. Our costless collars are valued using the Black-Scholes model, an industry standard option valuation model that takes into account inputs such as contractual prices for the underlying instruments, maturity, quoted forward prices for commodities, interest rates, volatility factors and credit worthiness, as well as other relevant economic measures. Substantially all of these assumptions are observable in the marketplace throughout the full term of the instrument, can be derived from observable data or are supported by observable levels at which transactions are executed in the marketplace. •Level 3 – Pricing inputs include significant inputs that are generally less observable. These inputs may be used with internally developed methodologies that result in management’s best estimate of fair value. We adjust the valuations from the valuation model for nonperformance risk, using our estimate of the counterparty’s credit quality for asset positions and our credit quality for liability positions. We use multiple sources of third-party credit data in determining counterparty nonperformance risk, including credit default swaps. The following table sets forth, by level within the fair value hierarchy, our financial assets and liabilities that were accounted for at fair value on a recurring basis as of the periods indicated:   Fair Value Measurements Using: In thousands Quoted Prices in Active Markets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Total March 31, 2023   Assets Oil derivative contracts – current $ —  $ 23,554  $ —  $ 23,554  Oil derivative contracts – long-term —  1,617  —  1,617  Total Assets $ —  $ 25,171  $ —  $ 25,171  Liabilities Oil derivative contracts – current $ —  $ (1,613) $ —  $ (1,613) Total Liabilities $ —  $ (1,613) $ —  $ (1,613) December 31, 2022         Assets         Oil derivative contracts – current $ —  $ 15,517  $ —  $ 15,517  Total Assets $ —  $ 15,517  $ —  $ 15,517  Liabilities Oil derivative contracts – current $ —  $ (13,018) $ —  $ (13,018) Total Liabilities $ —  $ (13,018) $ —  $ (13,018) Since we do not apply hedge accounting for our commodity derivative contracts, any gains and losses on our assets and liabilities are included in “Commodity derivatives expense (income)” in the accompanying Unaudited Condensed Consolidated Statements of Operations. Other Fair Value Measurements The carrying value of our loans under our Bank Credit Agreement approximate fair value, as they are subject to short-term floating interest rates that approximate the rates available to us for those periods. The estimated fair value of the principal amount of our debt as of March 31, 2023 and December 31, 2022 was $68.0 million and $29.0 million, respectively. We have other financial instruments consisting primarily of cash, cash equivalents, U.S. Treasury notes, short-term receivables and payables that approximate fair value due to the nature of the instrument and the relatively short maturities.

v3.23.1

Commitments and Contingencies	3 Months Ended
	Mar. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Note 8. Commitments and Contingencies Litigation and Regulatory Proceedings We are involved in various lawsuits, claims and regulatory proceedings incidental to our businesses.  We are also subject to audits for various taxes (income, sales and use, and severance) in the various states in which we operate, and from time to time receive assessments for potential taxes that we may owe. While we currently believe that the ultimate outcome of these proceedings, individually and in the aggregate, will not have a material adverse effect on our financial position, results of operations or cash flows, litigation and regulatory proceedings are subject to inherent uncertainties.  We accrue for losses from litigation and claims if we determine that a loss is probable and the amount can be reasonably estimated. On May 26, 2022, the Pipeline and Hazardous Materials Safety Administration (“PHMSA”) of the U.S. Department of Transportation issued a Notice of Probable Violation, Proposed Civil Penalty, and Proposed Compliance Order (“NOPV”) relating to the February 2020 CO2 release from a pipeline failure near Satartia, Mississippi in our CO2 pipeline running between the Tinsley and Delhi fields, and assessed a preliminary civil penalty of $3.9 million, which the Company recorded in its financial statements in the second quarter of 2022. On March 24, 2023, Denbury and PHMSA entered into a final Consent Order and Consent Agreement that settled all of the allegations in the NOPV and also reduced the assessed penalty to $2.9 million. The $1.0 million reduction was reflected in “Other Expenses” in our Unaudited Condensed Consolidated Statement of Operations in the first quarter of 2023.

v3.23.1

Basis of Presentation (Policies)	3 Months Ended
	Mar. 31, 2023
Accounting Policies [Abstract]
Basis of Accounting	The accompanying unaudited condensed consolidated financial statements of Denbury Inc. and its subsidiaries have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”) and do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.  These financial statements and the notes thereto should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2022 (the “Form 10-K”).  Unless indicated otherwise or the context requires, the terms “we,” “our,” “us,” “Company” or “Denbury,” refer to Denbury Inc. and its subsidiaries.
Use of Estimates	Accounting measurements at interim dates inherently involve greater reliance on estimates than at year end, and the results of operations for the interim periods shown in this report are not necessarily indicative of results to be expected for the year.  In management’s opinion, the accompanying unaudited condensed consolidated financial statements include all adjustments of a normal recurring nature necessary for a fair presentation of our consolidated financial position as of March 31, 2023, our consolidated results of operations for the three months ended March 31, 2023 and 2022, our consolidated cash flows for the three months ended March 31, 2023 and 2022, and our consolidated statements of changes in stockholders’ equity for the three months ended March 31, 2023 and 2022.
Reclassifications	Reclassifications Certain prior period amounts have been reclassified to conform to the current year presentation. Such reclassifications had no impact on our reported net income (loss), current assets, total assets, current liabilities, total liabilities or stockholders’ equity.
Cash, Cash Equivalents, and Restricted Cash	Cash, Cash Equivalents, and Restricted Cash We consider all highly liquid investments to be cash equivalents if they have maturities of three months or less at the date of purchase. The following table provides a reconciliation of cash, cash equivalents, and restricted cash as reported within the Unaudited Condensed Consolidated Balance Sheets to “Cash, cash equivalents, and restricted cash at end of period” as reported within the Unaudited Condensed Consolidated Statements of Cash Flows: In thousands March 31, 2023 March 31, 2022 Cash and cash equivalents $ 525  $ 517  Restricted cash for future asset retirement obligations 47,424  46,695  Total cash, cash equivalents, and restricted cash shown in the Unaudited Condensed Consolidated Statements of Cash Flows $ 47,949  $ 47,212  Restricted cash for future asset retirement obligations in the table above consists of escrow accounts that are legally restricted for certain of our asset retirement obligations.
Net Income (Loss) per Common Share	Net Income (Loss) per Common Share Basic net income (loss) per common share is computed by dividing the net income (loss) attributable to common stockholders by the weighted average number of shares of common stock outstanding during the period.  Basic weighted average common shares exclude shares of nonvested restricted stock (although nonvested restricted stock is issued and outstanding upon grant). As these restricted shares vest, they will be included in the shares outstanding used to calculate basic net income (loss) per common share.  Restricted stock units and performance stock units are also excluded from basic weighted average common shares outstanding until the vesting date. Basic weighted average common shares during the three months ended March 31, 2023 includes 1,775,182 performance-based and restricted stock units which are fully vested as of March 31, 2023; however, the shares underlying these awards are not included in shares currently issued or outstanding as actual delivery of the shares is not scheduled to occur until December 4, 2023.Diluted net income (loss) per common share is calculated in the same manner but includes the impact of all potentially dilutive securities. Potentially dilutive securities include restricted stock, restricted stock units, performance stock units, shares to be issued under the employee stock purchase plan (“ESPP”), and series A and series B warrants.
Oil and Natural Gas Properties	Oil and Natural Gas Properties Write-Down of Oil and Natural Gas Properties. Under full cost accounting, the net capitalized costs of oil and natural gas properties are limited to the lower of unamortized cost or the cost center ceiling. The cost center ceiling is defined as (1) the present value of estimated future net revenues from proved oil and natural gas reserves before future abandonment costs (discounted at 10%), based on the average first-day-of-the-month oil and natural gas price for each month during a 12-month rolling period prior to the end of a particular reporting period; plus (2) the cost of properties not being amortized; plus (3) the lower of cost or estimated fair value of unproved properties included in the costs being amortized, if any; less (4) related income tax effects. Our future net revenues from proved oil and natural gas reserves are not reduced for development costs related to the cost of drilling for and developing CO2 reserves nor those related to the cost of constructing CO2 pipelines, as we do not have to incur additional CO2 capital costs to develop the proved oil and natural gas reserves. Therefore, we include in the ceiling test, as a reduction of future net revenues, that portion of our capitalized CO2 costs related to CO2 reserves and CO2 pipelines that we estimate will be consumed in the process of producing our proved oil and natural gas reserves. The fair value of our oil and natural gas derivative contracts is not included in the ceiling test, as we do not designate these contracts as hedge instruments for accounting purposes. The cost center ceiling test is prepared quarterly. We did not record a ceiling test write-down during the three months ended March 31, 2023 or March 31, 2022. CCUS Storage Sites and Other Assets CCUS Investments. During the first quarter of 2023, we made two investments in carbon capture technology companies, including a $2 million equity investment in Aqualung Carbon Capture AS and a $5 million equity investment in ION Clean Energy, Inc. In April 2023, based on the achievement of certain milestones, we invested the remaining $10 million of our original $20 million commitment in Clean Hydrogen Works, the project development company of a planned blue hydrogen/ammonia multi-block facility for which we have signed a definitive agreement for the transportation and storage of CO2 for the first two blocks of the proposed plant. These investments are included in “Other assets” in the Unaudited Condensed Consolidated Balance Sheet as of March 31, 2023.
Revenue Recognition	We record revenue in accordance with Financial Accounting Standards Board (“FASB”) Codification (“FASC”) Topic 606, Revenue from Contracts with Customers. The core principle of FASC Topic 606 is that an entity should recognize revenue for the transfer of goods or services equal to the amount of consideration that it expects to be entitled to receive for those goods or services. Once we have delivered the volume of commodity to the delivery point and the customer takes delivery and possession, we are entitled to payment and we invoice the customer for such delivered production. Payment under most oil and CO2 contracts is received within one month following product delivery, and for natural gas and NGL contracts, payment is generally received within two months following delivery. Timing of revenue recognition may differ from the timing of invoicing to customers; however, as the right to consideration after delivery is unconditional based on only the passage of time before payment of the consideration is due, upon delivery we record a receivable in “Accrued production receivable” in our Unaudited Condensed Consolidated Balance Sheets. In certain situations, the Company enters into marketing arrangements for the purchase and subsequent sale of crude oil from third parties. We recognize the revenue received and the associated expense incurred on these sales on a gross basis, as “Oil marketing revenues” and “Oil marketing purchases” in our Unaudited Condensed Consolidated Statements of Operations, since we act as a principal in the transaction by assuming control of the commodities purchased and responsibility to deliver the commodities sold. Revenue is recognized when control transfers to the purchaser at the delivery point based on the price received from the purchaser.
Income Taxes	We evaluate our estimated annual effective income tax rate based on current and forecasted business results and enacted tax laws on a quarterly basis and apply this tax rate to our ordinary income or loss to calculate our estimated tax liability or benefit. Our income taxes are based on an estimated combined federal and state statutory rate of approximately 25% in 2023 and 2022.
Commodity Derivative Contracts	We do not apply hedge accounting treatment to our oil and natural gas derivative contracts; therefore, the changes in the fair values of these instruments are recognized in income in the period of change.  These fair value changes, along with the settlements of expired contracts, are shown under “Commodity derivatives expense (income)” in our Unaudited Condensed Consolidated Statements of Operations. Historically, we have entered into various oil and natural gas derivative contracts to provide an economic hedge of our exposure to commodity price risk associated with anticipated future oil and natural gas production and to provide more certainty to our future cash flows. We do not hold or issue derivative financial instruments for trading purposes. Generally, these contracts have consisted of various combinations of price floors, collars, three-way collars, fixed-price swaps, fixed-price swaps enhanced with a sold put, and basis swaps. The production that we hedge has varied from year to year depending on our levels of debt, financial strength and expectation of future commodity prices, and occasionally requirements under our bank credit facility. We manage and control market and counterparty credit risk through established internal control procedures that are reviewed on an ongoing basis.  We attempt to minimize credit risk exposure to counterparties through formal credit policies, monitoring procedures and diversification, and all of our commodity derivative contracts are with parties that are lenders under our Bank Credit Agreement (or affiliates of such lenders). As of March 31, 2023, all of our outstanding derivative contracts were subject to enforceable master netting arrangements whereby payables on those contracts can be offset against receivables from separate derivative contracts with the same counterparty. It is our policy to classify derivative assets and liabilities on a gross basis on our balance sheets, even if the contracts are subject to enforceable master netting arrangements.
Fair Value Measurements	The FASC Fair Value Measurement topic defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (often referred to as the “exit price”). We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market corroborated or generally unobservable. We primarily apply the income approach for recurring fair value measurements and endeavor to utilize the best available information. Accordingly, we utilize valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs. We are able to classify fair value balances based on the observability of those inputs. The FASC establishes a fair value hierarchy that prioritizes the inputs used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurement) and the lowest priority to unobservable inputs (Level 3 measurement). The three levels of the fair value hierarchy are as follows: •Level 1 – Quoted prices in active markets for identical assets or liabilities as of the reporting date. •Level 2 – Pricing inputs are other than quoted prices in active markets included in Level 1, which are either directly or indirectly observable as of the reported date. Level 2 includes those financial instruments that are valued using models or other valuation methodologies. Instruments in this category include non-exchange-traded oil derivatives that are based on NYMEX. Our costless collars are valued using the Black-Scholes model, an industry standard option valuation model that takes into account inputs such as contractual prices for the underlying instruments, maturity, quoted forward prices for commodities, interest rates, volatility factors and credit worthiness, as well as other relevant economic measures. Substantially all of these assumptions are observable in the marketplace throughout the full term of the instrument, can be derived from observable data or are supported by observable levels at which transactions are executed in the marketplace. •Level 3 – Pricing inputs include significant inputs that are generally less observable. These inputs may be used with internally developed methodologies that result in management’s best estimate of fair value. We adjust the valuations from the valuation model for nonperformance risk, using our estimate of the counterparty’s credit quality for asset positions and our credit quality for liability positions. We use multiple sources of third-party credit data in determining counterparty nonperformance risk, including credit default swaps.

v3.23.1

Basis of Presentation (Tables)	3 Months Ended
	Mar. 31, 2023
Accounting Policies [Abstract]
Schedule of Cash and Cash Equivalents	The following table provides a reconciliation of cash, cash equivalents, and restricted cash as reported within the Unaudited Condensed Consolidated Balance Sheets to “Cash, cash equivalents, and restricted cash at end of period” as reported within the Unaudited Condensed Consolidated Statements of Cash Flows: In thousands March 31, 2023 March 31, 2022 Cash and cash equivalents $ 525  $ 517  Restricted cash for future asset retirement obligations 47,424  46,695  Total cash, cash equivalents, and restricted cash shown in the Unaudited Condensed Consolidated Statements of Cash Flows $ 47,949  $ 47,212
Schedule of Restricted Cash and Cash Equivalents	The following table provides a reconciliation of cash, cash equivalents, and restricted cash as reported within the Unaudited Condensed Consolidated Balance Sheets to “Cash, cash equivalents, and restricted cash at end of period” as reported within the Unaudited Condensed Consolidated Statements of Cash Flows: In thousands March 31, 2023 March 31, 2022 Cash and cash equivalents $ 525  $ 517  Restricted cash for future asset retirement obligations 47,424  46,695  Total cash, cash equivalents, and restricted cash shown in the Unaudited Condensed Consolidated Statements of Cash Flows $ 47,949  $ 47,212
Schedule of Net Loss Per Share, Basic and Diluted	The following table sets forth the weighted average shares used for purposes of calculating basic and diluted net income (loss) per common share for the periods indicated: Three Months Ended March 31, In thousands 2023 2022 Weighted average common shares outstanding – basic 51,503  51,602  Effect of potentially dilutive securities Restricted stock, restricted stock units and performance stock units 360  —  Warrants 1,899  —  Employee Stock Purchase Program 1  —  Weighted average common shares outstanding – diluted 53,763  51,602
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share	The following outstanding securities were excluded from the computation of diluted net income (loss) per share for the three months ended March 31, 2023 and March 31, 2022, as their effect would have been antidilutive, as of the respective dates: March 31, In thousands 2023 2022 Restricted stock, restricted stock units and performance stock units 490  1,005  Warrants —  5,162

v3.23.1

Revenue Recognition (Tables)	3 Months Ended
	Mar. 31, 2023
Revenue from Contract with Customer [Abstract]
Disaggregation of Revenue	The following table summarizes our revenues by product type for the three months ended March 31, 2023 and 2022: Three Months Ended March 31, In thousands 2023 2022 Oil sales $ 312,572  $ 381,242  Natural gas sales 1,917  3,669  CO2 sales and transportation fees 10,686  13,422  Oil marketing revenues 14,548  13,276  Total revenues $ 339,723  $ 411,609

v3.23.1

Long-Term Debt (Tables)	3 Months Ended
	Mar. 31, 2023
Debt Disclosure [Abstract]
Schedule of Long-Term Debt Outstanding	The table below reflects long-term debt outstanding as of the dates indicated: In thousands March 31, 2023 December 31, 2022 Senior Secured Bank Credit Agreement $ 68,000  $ 29,000  Capital lease obligations 383  —  Total debt principal balance 68,383  29,000  Less: current maturities of long-term debt (107) —  Long-term debt and capital lease obligations $ 68,276  $ 29,000

v3.23.1

Commodity Derivative Contracts (Tables)	3 Months Ended
	Mar. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Commodity Derivative Contracts Not Classified as Hedging Instruments	The following table summarizes our commodity derivative contracts as of March 31, 2023, none of which are classified as hedging instruments in accordance with the FASC Derivatives and Hedging topic: Months Index Price Volume (Barrels per day) Contract Prices ($/Bbl) Weighted Average Price Swap Floor Ceiling Oil Contracts:       2023 Fixed-Price Swaps Apr – June NYMEX 9,500 $ 76.65  $ —  $ —  July – Dec NYMEX 14,000 78.46  —  —  2023 Collars Apr – June NYMEX 17,500 $ —  $ 69.71  $ 100.42  July – Dec NYMEX 9,000 —  68.33  100.69  2024 Fixed-Price Swaps Jan – June NYMEX 2,000 $ 75.21  $ —  $ —  July – Dec NYMEX 1,000 75.12  —  —

v3.23.1

Fair Value Measurements (Tables)	3 Months Ended
	Mar. 31, 2023
Fair Value Disclosures [Abstract]
Fair value Hierarchy of Financial Assets and Liabilities	The following table sets forth, by level within the fair value hierarchy, our financial assets and liabilities that were accounted for at fair value on a recurring basis as of the periods indicated:   Fair Value Measurements Using: In thousands Quoted Prices in Active Markets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Total March 31, 2023   Assets Oil derivative contracts – current $ —  $ 23,554  $ —  $ 23,554  Oil derivative contracts – long-term —  1,617  —  1,617  Total Assets $ —  $ 25,171  $ —  $ 25,171  Liabilities Oil derivative contracts – current $ —  $ (1,613) $ —  $ (1,613) Total Liabilities $ —  $ (1,613) $ —  $ (1,613) December 31, 2022         Assets         Oil derivative contracts – current $ —  $ 15,517  $ —  $ 15,517  Total Assets $ —  $ 15,517  $ —  $ 15,517  Liabilities Oil derivative contracts – current $ —  $ (13,018) $ —  $ (13,018) Total Liabilities $ —  $ (13,018) $ —  $ (13,018)

v3.23.1

Basis of Presentation (Cash, Cash Equivalents, and Restricted Cash) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Cash and cash equivalents	$ 525	$ 521	$ 517
Restricted cash for future asset retirement obligations	47,424	47,359	46,695
Total cash, cash equivalents, and restricted cash shown in the Unaudited Condensed Consolidated Statements of Cash Flows	$ 47,949	$ 47,880	$ 47,212	$ 50,344

v3.23.1

Basis of Presentation (Narrative) (Details)	3 Months Ended		30 Months Ended
	Mar. 31, 2023 USD ($) shares investment $ / shares	Mar. 31, 2022 USD ($) shares	Mar. 31, 2023 shares investment $ / shares	Apr. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Weighted average common shares outstanding – basic (in shares)	51,503,000	51,602,000
Weighted average common shares outstanding – diluted (in shares)	53,763,000	51,602,000
Dilutive impact of warrants (in shares)	1,899,000	0
Number of warrants outstanding (in shares)	2,900,000		2,900,000
Number of warrants exercised (in shares)			1,500,000
Write-down of oil and natural gas properties | $	$ 0	$ 0
Number of investment | investment	2		2
Equity investment | $	$ 7,108,000	$ 0
Aqualung Carbon Capture AS | Investment Commitment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity investment | $	2,000,000
ION Clean Energy, Inc. | Investment Commitment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity investment | $	$ 5,000,000
Project Development Company of Planned Louisiana Blue Hydrogen Ammonia Project | Investment Commitment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Committed to invest, on certain milestone achieved | $					$ 20,000,000
Project Development Company of Planned Louisiana Blue Hydrogen Ammonia Project | Investment Commitment | Subsequent Event
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Committed to invest, on certain milestone achieved | $				$ 10,000,000
Series A Warrants
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of warrants outstanding (in shares)	1,800,000		1,800,000
Exercise price of warrants (in dollars per share) | $ / shares	$ 32.59		$ 32.59
Number of warrants exercised (in shares)	900,000		900,000
Series B Warrants
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of warrants outstanding (in shares)	1,100,000		1,100,000
Exercise price of warrants (in dollars per share) | $ / shares	$ 35.41		$ 35.41
Number of warrants exercised (in shares)	1,800,000		1,800,000
Net Income Scenario
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Weighted average common shares outstanding – diluted (in shares)		55,000,000
Dilutive impact of warrants (in shares)		2,800,000
Net Income Scenario | Restricted stock units
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Dilutive impact of restricted stock units (in shares)		600,000
Performance-based and restricted stock units
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Weighted average common shares outstanding – basic (in shares)	1,775,182

v3.23.1

Basis of Presentation (Schedule of Earnings Per Share Basic and Diluted) (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average common shares outstanding – basic (in shares)	51,503	51,602
Warrants (in shares)	1,899	0
Weighted average common shares outstanding – diluted (in shares)	53,763	51,602
Restricted stock, restricted stock units and performance stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Restricted stock, restricted stock units and performance stock units (in shares)	360	0
Employee Stock Purchase Program (in shares)	360	0
Employee Stock Purchase Plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Restricted stock, restricted stock units and performance stock units (in shares)	1	0
Employee Stock Purchase Program (in shares)	1	0

v3.23.1

Basis of Presentation (Antidilutive Securities) (Details) - shares shares in Thousands	Mar. 31, 2023	Mar. 31, 2022
Restricted stock, restricted stock units and performance stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of antidilutive equity-based instruments outstanding (in shares)	490	1,005
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of antidilutive equity-based instruments outstanding (in shares)	0	5,162

v3.23.1

Revenue Recognition (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Revenues	$ 339,723	$ 411,609
Oil sales
Disaggregation of Revenue [Line Items]
Revenues	312,572	381,242
Natural gas sales
Disaggregation of Revenue [Line Items]
Revenues	1,917	3,669
CO2 sales and transportation fees
Disaggregation of Revenue [Line Items]
Revenues	10,686	13,422
Oil marketing revenues
Disaggregation of Revenue [Line Items]
Revenues	$ 14,548	$ 13,276

v3.23.1

Long-Term Debt (Schedule of Long-Term Debt Outstanding) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Disclosure [Abstract]
Senior Secured Bank Credit Agreement	$ 68,000	$ 29,000
Capital lease obligations	383	0
Total debt principal balance	68,383	29,000
Less: current maturities of long-term debt	(107)	0
Long-term debt and capital lease obligations	$ 68,276	$ 29,000

v3.23.1

Long-Term Debt (Narrative) (Details)		3 Months Ended
	Jan. 20, 2023	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	May 04, 2022 USD ($)	Sep. 18, 2020 USD ($)
Debt Instrument [Line Items]
Borrowing base				$ 750,000,000
Commitment fee percentage (as a percent)		0.50%
Senior Secured Bank Credit Agreement		$ 68,000,000	$ 29,000,000
Amount of letter of credit posted as security		$ 10,100,000
Maximum
Debt Instrument [Line Items]
Consolidated total debt to consolidated EBITDAX requirement	3.5
Minimum
Debt Instrument [Line Items]
Current ratio requirement	1.0
Weighted Average
Debt Instrument [Line Items]
Weighted average interest rate		8.00%
Letter of Credit
Debt Instrument [Line Items]
Line of credit facility, capacity available for specific purpose other than for trade purchases					$ 100,000,000
Swingline Loan
Debt Instrument [Line Items]
Line of credit facility, capacity available for specific purpose other than for trade purchases					$ 25,000,000

v3.23.1

Stockholders' Equity (Narrative) (Details) - USD ($)	2 Months Ended	3 Months Ended		12 Months Ended
	Jul. 31, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Aug. 31, 2022	May 31, 2022
Stockholders' Equity Note [Abstract]
Authorized amount under share repurchase program					$ 100,000,000	$ 250,000,000
Shares repurchased under share repurchase program (in shares)	1,615,356
Stock repurchase program	$ 100,000,000
Average cost per share of shares repurchased under share repurchase program (in dollars per share)	$ 61.92
Remaining amount authorized under share repurchase program		$ 250,000,000
Retired treasury shares (in shares)		16,281		1,600,000
Treasury stock retired		$ 1,400,000		$ 100,000,000
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Tax withholding for stock compensation plans, value			$ 58,000
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Tax withholding for stock compensation plans, value		$ 1,300,000

v3.23.1

Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Valuation Allowance [Line Items]
Valuation allowance			$ 59.2
Federal and state statutory tax rate (as a percent)	25.00%	25.00%
LOUISIANA
Valuation Allowance [Line Items]
Deferred tax assets			55.4
Alabama And Mississippi
Valuation Allowance [Line Items]
Deferred tax assets			$ 3.8

v3.23.1

Commodity Derivative Contracts (Details) - NYMEX	Mar. 31, 2023 bbl / d $ / Barrel
Swap | Apr – June
Derivative [Line Items]
Volume per day (Barrels per day) | bbl / d	9,500
Weighted average swap price (in dollars per Barrel)	76.65
Swap | July – Dec
Derivative [Line Items]
Volume per day (Barrels per day) | bbl / d	14,000
Weighted average swap price (in dollars per Barrel)	78.46
Swap | Jan – June
Derivative [Line Items]
Volume per day (Barrels per day) | bbl / d	2,000
Weighted average swap price (in dollars per Barrel)	75.21
Swap | July – Dec
Derivative [Line Items]
Volume per day (Barrels per day) | bbl / d	1,000
Weighted average swap price (in dollars per Barrel)	75.12
Collar | Apr – June
Derivative [Line Items]
Volume per day (Barrels per day) | bbl / d	17,500
Weighted average floor price (in dollars per Barrel)	69.71
Weighted average ceiling price (in dollars per Barrel)	100.42
Collar | July – Dec
Derivative [Line Items]
Volume per day (Barrels per day) | bbl / d	9,000
Weighted average floor price (in dollars per Barrel)	68.33
Weighted average ceiling price (in dollars per Barrel)	100.69

v3.23.1

Fair Value Measurements (Fair value Hierarchy of Financial Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Oil derivative contracts – current	$ 23,554	$ 15,517
Oil derivative contracts – long-term	1,617	0
Total Assets	25,171	15,517
Oil derivative contracts – current	(1,613)	(13,018)
Total Liabilities	(1,613)	(13,018)
Quoted Prices in Active Markets (Level 1)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Oil derivative contracts – current	0	0
Oil derivative contracts – long-term	0
Total Assets	0	0
Oil derivative contracts – current	0	0
Total Liabilities	0	0
Significant Other Observable Inputs (Level 2)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Oil derivative contracts – current	23,554	15,517
Oil derivative contracts – long-term	1,617
Total Assets	25,171	15,517
Oil derivative contracts – current	(1,613)	(13,018)
Total Liabilities	(1,613)	(13,018)
Significant Unobservable Inputs (Level 3)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Oil derivative contracts – current	0	0
Oil derivative contracts – long-term	0
Total Assets	0	0
Oil derivative contracts – current	0	0
Total Liabilities	$ 0	$ 0

v3.23.1

Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Fair Value Disclosures [Abstract]
Fair value of debt	$ 68.0	$ 29.0

v3.23.1

Commitment and Contingencies (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 24, 2023	Jun. 30, 2022
Commitments and Contingencies Disclosure [Abstract]
Preliminary assessed civil penalty			$ 3.9
Final penalty assessed		$ 2.9
Decrease in loss contingencies	$ 1.0

This regulatory filing also includes additional resources:
den-20230331.pdf