Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financial assets:
Commodity derivative assets – current	$ 9,631	$ 11,478
Commodity derivative assets – non-current	2,912	2,092
Derivative assets	12,543	13,570
Financial liabilities:
Derivative liabilities – current	(149,008)	(50,372)
Derivative liabilities, noncurrent	(42,620)	(23,815)
Derivative liabilities	(191,628)	(74,187)
Fair Value, Measurements, Recurring
Financial assets:
Derivative assets	12,543	13,570
Financial liabilities:
Derivative liabilities	(191,628)	(74,187)
Commodity contracts
Financial liabilities:
Derivative liabilities	(178,600)
Commodity contracts | Fair Value, Measurements, Recurring
Financial assets:
Commodity derivative assets – current	9,631	11,478
Commodity derivative assets – non-current	2,912	2,092
Financial liabilities:
Derivative liabilities – current	(148,550)	(48,892)
Derivative liabilities, noncurrent	(42,620)	(23,815)
Interest Rate Swap
Financial liabilities:
Derivative liabilities	(500)
Interest Rate Swap | Fair Value, Measurements, Recurring
Financial liabilities:
Derivative liabilities – current	(458)	(1,480)
Level 1 | Fair Value, Measurements, Recurring
Financial assets:
Derivative assets	0	0
Financial liabilities:
Derivative liabilities	0	0
Level 1 | Commodity contracts | Fair Value, Measurements, Recurring
Financial assets:
Commodity derivative assets – current	0	0
Commodity derivative assets – non-current	0	0
Financial liabilities:
Derivative liabilities – current	0	0
Derivative liabilities, noncurrent	0	0
Level 1 | Interest Rate Swap | Fair Value, Measurements, Recurring
Financial liabilities:
Derivative liabilities – current	0	0
Level 2 | Fair Value, Measurements, Recurring
Financial assets:
Derivative assets	12,543	13,570
Financial liabilities:
Derivative liabilities	(191,628)	(74,187)
Level 2 | Commodity contracts | Fair Value, Measurements, Recurring
Financial assets:
Commodity derivative assets – current	9,631	11,478
Commodity derivative assets – non-current	2,912	2,092
Financial liabilities:
Derivative liabilities – current	(148,550)	(48,892)
Derivative liabilities, noncurrent	(42,620)	(23,815)
Level 2 | Interest Rate Swap | Fair Value, Measurements, Recurring
Financial liabilities:
Derivative liabilities – current	(458)	(1,480)
Level 3 | Fair Value, Measurements, Recurring
Financial assets:
Derivative assets	0	0
Financial liabilities:
Derivative liabilities	0	0
Level 3 | Commodity contracts | Fair Value, Measurements, Recurring
Financial assets:
Commodity derivative assets – current	0	0
Commodity derivative assets – non-current	0	0
Financial liabilities:
Derivative liabilities – current	0	0
Derivative liabilities, noncurrent	0	0
Level 3 | Interest Rate Swap | Fair Value, Measurements, Recurring
Financial liabilities:
Derivative liabilities – current	$ 0	$ 0