Derivative Financial Instruments Outstanding Derivative Contracts (Details) MMBTU in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) MMBTU $ / Unit MBbls
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (896,349)
Dollar Commitment ($ in thousands) | $	378,858
First Year Commitment [Member]
Derivative [Line Items]
Dollar Commitment ($ in thousands) | $	77,197
Second Year Commitment [Member]
Derivative [Line Items]
Dollar Commitment ($ in thousands) | $	76,447
Third Year Commitment [Member]
Derivative [Line Items]
Dollar Commitment ($ in thousands) | $	66,815
Fourth Year Commitment [Member]
Derivative [Line Items]
Dollar Commitment ($ in thousands) | $	56,545
Fifth Year Commitment
Derivative [Line Items]
Dollar Commitment ($ in thousands) | $	44,492
commitments 5 years and beyond [Member]
Derivative [Line Items]
Dollar Commitment ($ in thousands) | $	$ 57,362
Natural Gas [Member] | Collars
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	38,290
Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (225,961)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	116,167
Crude Oil [Member] | Collars
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume | MBbls	9,498
Crude Oil [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume | MBbls	25,422
Derivative, Fair Value, Net | $	$ (663,297)
2022 | Crude Oil [Member] | Collars
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume | MBbls	2,736,000
2022 | Crude Oil [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume | MBbls	6,852,000
Derivative, Fair Value, Net | $	$ (362,341)
2023 | Crude Oil [Member] | Collars
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume | MBbls	5,937,000
2023 | Crude Oil [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume | MBbls	9,804,000
Derivative, Fair Value, Net | $	$ (258,320)
2024 | Crude Oil [Member] | Collars
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume | MBbls	825,000
2024 | Crude Oil [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume | MBbls	6,126,000
Derivative, Fair Value, Net | $	$ (46,487)
2025 | Crude Oil [Member] | Collars
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume | MBbls	0
2025 | Crude Oil [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Volume | MBbls	2,640,000
Derivative, Fair Value, Net | $	$ 3,851
Natural Gas [Member] | 2022 | Fixed Price Swaps | Basis Protection - CIG [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(0.27)
Natural Gas [Member] | 2023 | Fixed Price Swaps | CIG [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(3.39)
Natural Gas [Member] | 2023 | Fixed Price Swaps | Basis Protection - CIG [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(0.29)
Natural Gas [Member] | 2024 | Fixed Price Swaps | Basis Protection - CIG [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(0.39)
Natural Gas [Member] | 2025 | Fixed Price Swaps | CIG [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(3.10)
Natural Gas [Member] | 2025 | Fixed Price Swaps | Basis Protection - CIG [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(0.37)
Crude Oil [Member] | 2022 | Collars | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Floor Price	53.18
Derivative, Cap Price	67.33
Crude Oil [Member] | 2022 | Fixed Price Swaps | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(58.35)
Crude Oil [Member] | 2023 | Collars | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Floor Price	61.27
Derivative, Cap Price	83.11
Crude Oil [Member] | 2023 | Fixed Price Swaps | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(66.42)
Crude Oil [Member] | 2024 | Collars | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Floor Price	65.91
Derivative, Cap Price	89.58
Crude Oil [Member] | 2024 | Fixed Price Swaps | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(70.59)
Crude Oil [Member] | 2025 | Collars | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Floor Price	0
Derivative, Cap Price	0
Crude Oil [Member] | 2025 | Fixed Price Swaps | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(75.10)
CME SWAPS MARKETS (NYMEX) [Member] | Natural Gas [Member] | Collars
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	38,290
CME SWAPS MARKETS (NYMEX) [Member] | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (212,926)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	102,607
CME SWAPS MARKETS (NYMEX) [Member] | 2023 | Natural Gas [Member] | Collars
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	17,227
CME SWAPS MARKETS (NYMEX) [Member] | 2023 | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (82,080)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	41,825
CME SWAPS MARKETS (NYMEX) [Member] | 2024 | Natural Gas [Member] | Collars
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	0
CME SWAPS MARKETS (NYMEX) [Member] | 2024 | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (20,566)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	26,160
CME SWAPS MARKETS (NYMEX) [Member] | Tax Year 2022 | Natural Gas [Member] | Collars
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	21,063
CME SWAPS MARKETS (NYMEX) [Member] | Tax Year 2022 | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (112,700)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	29,642
CME SWAPS MARKETS (NYMEX) [Member] | 2025 | Natural Gas [Member] | Collars
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	0
CME SWAPS MARKETS (NYMEX) [Member] | 2025 | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ 2,420
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	4,980
CME SWAPS MARKETS (NYMEX) [Member] | Natural Gas [Member] | 2023 | Collars | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Floor Price	3.17
Derivative, Cap Price	4.86
CME SWAPS MARKETS (NYMEX) [Member] | Natural Gas [Member] | 2023 | Fixed Price Swaps | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(3.05)
CME SWAPS MARKETS (NYMEX) [Member] | Natural Gas [Member] | 2024 | Collars | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Floor Price	0
Derivative, Cap Price	0
CME SWAPS MARKETS (NYMEX) [Member] | Natural Gas [Member] | 2024 | Fixed Price Swaps | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(3.54)
CME SWAPS MARKETS (NYMEX) [Member] | Natural Gas [Member] | Tax Year 2022 | Collars | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Floor Price	3.13
Derivative, Cap Price	4.65
CME SWAPS MARKETS (NYMEX) [Member] | Natural Gas [Member] | Tax Year 2022 | Fixed Price Swaps | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(2.95)
CME SWAPS MARKETS (NYMEX) [Member] | Natural Gas [Member] | 2025 | Collars | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Floor Price	0
Derivative, Cap Price	0
CME SWAPS MARKETS (NYMEX) [Member] | Natural Gas [Member] | 2025 | Fixed Price Swaps | CME SWAPS MARKETS (NYMEX) [Member]
Derivative [Line Items]
Derivative, Swap Type, Average Fixed Price	(4.84)
Basis Protection - CIG [Member] | 2022 | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ 2,137
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	50,430
Basis Protection - CIG [Member] | 2023 | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (6,844)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	57,782
Basis Protection - CIG [Member] | 2024 | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (2,113)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	26,160
Basis Protection - CIG [Member] | 2025 | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (271)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	4,980
Basis Protection Contracts Related to Natural Gas Marketing [Member] | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (7,091)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	139,352
CIG [Member] | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (13,035)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	13,560
CIG [Member] | 2023 | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (9,279)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	8,760
CIG [Member] | 2025 | Natural Gas [Member] | Fixed Price Swaps
Derivative [Line Items]
Derivative, Fair Value, Net | $	$ (3,756)
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	4,800