Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Assets
Derivative Assets, Fair Value, Gross Asset	$ 18,552		$ 24,334
Liabilities
Derivative Liability, Fair Value, Gross Liability	(589,758)		(345,202)
Oil and Gas Property [Abstract]
Property, Plant, and Equipment, Fair Value Disclosure	0		$ 0
Impairment of Proved Oil and Gas Properties	0	$ 0
Abandonment and impairment of unproved properties	$ 1,000	$ 8,800
10.0% Senior Secured Notes due 2025
Debt Instrument, Fair Value Disclosure [Abstract]
Senior Notes, interest rate, stated percentage	10.00%		10.00%
Senior Notes, Principal amount	$ 446,675		$ 446,675
Long-term Debt, Fair Value	$ 486,760		$ 491,628
5.0% Senior Unsecured Notes due 2024
Debt Instrument, Fair Value Disclosure [Abstract]
Senior Notes, interest rate, stated percentage	5.00%		5.00%
Senior Notes, Principal amount	$ 0		$ 104,769
Long-term Debt, Fair Value	$ 0		$ 104,583
5.625% Senior Unsecured Notes due 2025
Debt Instrument, Fair Value Disclosure [Abstract]
Senior Notes, interest rate, stated percentage	5.625%		5.625%
Senior Notes, Principal amount	$ 349,118		$ 349,118
Long-term Debt, Fair Value	$ 349,715		$ 353,091
6.75% Senior Unsecured Notes due 2026
Debt Instrument, Fair Value Disclosure [Abstract]
Senior Notes, interest rate, stated percentage	6.75%		6.75%
Senior Notes, Principal amount	$ 419,235		$ 419,235
Long-term Debt, Fair Value	$ 431,158		$ 431,787
6.625% Senior Unsecured Notes due 2027
Debt Instrument, Fair Value Disclosure [Abstract]
Senior Notes, interest rate, stated percentage	6.625%		6.625%
Senior Notes, Principal amount	$ 416,791		$ 416,791
Long-term Debt, Fair Value	$ 428,253		$ 432,783
6.5% Senior Unsecured Notes Due 2028
Debt Instrument, Fair Value Disclosure [Abstract]
Senior Notes, interest rate, stated percentage	6.50%		6.50%
Senior Notes, Principal amount	$ 400,000		$ 400,000
Long-term Debt, Fair Value	413,660		417,284
Not Designated as Hedging Instrument \| Fair Value, Recurring \| Fair Value, Inputs, Level 1
Assets
Derivative Assets, Fair Value, Gross Asset	0		0
Liabilities
Derivative Liability, Fair Value, Gross Liability	0		0
Not Designated as Hedging Instrument \| Fair Value, Recurring \| Fair Value, Inputs, Level 2
Assets
Derivative Assets, Fair Value, Gross Asset	18,552		24,334
Liabilities
Derivative Liability, Fair Value, Gross Liability	589,758		345,202
Not Designated as Hedging Instrument \| Fair Value, Recurring \| Fair Value, Inputs, Level 3
Assets
Derivative Assets, Fair Value, Gross Asset	0		0
Liabilities
Derivative Liability, Fair Value, Gross Liability	$ 0		$ 0

The impairment expense recorded to reduce the value of proved oil and gas assets.

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Accumulated expirations or loss on unproved oil and gas properties.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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