Segment Reporting (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of business segments | segment	2
Revenues	$ 1,862,075,000	$ 851,135,000	$ 1,026,204,000
Lease bonus - mineral acreage	0	4,062,000	1,711,000
Realized gain on derivatives	(220,105,000)	38,937,000	9,482,000
Unrealized gain on derivatives	21,011,000	(32,008,000)	(53,727,000)
Expenses	869,905,000	1,383,625,000	748,190,000
Operating income (loss)	793,076,000	(521,499,000)	235,480,000
Assets	4,262,153,000	3,687,280,000	4,069,676,000
Capital expenditures	837,928,000	721,838,000	946,025,000
Depletion, depreciation and amortization	344,905,000	361,831,000	350,540,000
Impairment charge of net capitalized costs	0	684,743,000	0
Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Lease bonus - mineral acreage		4,062,000	1,711,000
Realized gain on derivatives	(220,105,000)	38,937,000	9,482,000
Unrealized gain on derivatives	21,011,000	(32,008,000)	(53,727,000)
Expenses	794,880,000	1,334,378,000	621,687,000
Operating income (loss)	748,456,000	(561,559,000)	226,708,000
Assets	3,324,681,000	2,782,819,000	3,360,725,000
Capital expenditures	778,191,000	518,198,000	718,712,000
Depletion, depreciation and amortization	310,900,000	335,800,000	331,700,000
Payments to acquire productive assets		70,500,000	48,300,000
Operating Segments | Midstream
Segment Reporting Information [Line Items]
Lease bonus - mineral acreage		0	0
Realized gain on derivatives	0	0	0
Unrealized gain on derivatives	0	0	0
Expenses	142,444,000	97,599,000	130,612,000
Operating income (loss)	130,519,000	92,970,000	81,506,000
Assets	879,672,000	836,509,000	647,937,000
Capital expenditures	59,361,000	201,440,000	223,612,000
Depletion, depreciation and amortization	31,500,000	23,300,000	16,100,000
Income (loss) attributable to noncontrolling interest	55,700,000	39,600,000	35,200,000
Land and seismic acquisition expenditures	263,500,000
Payments to acquire productive assets	28,500,000	112,100,000	145,400,000
Corporate
Segment Reporting Information [Line Items]
Lease bonus - mineral acreage		0	0
Realized gain on derivatives	0	0	0
Unrealized gain on derivatives	0	0	0
Expenses	85,899,000	52,910,000	72,734,000
Operating income (loss)	(85,899,000)	(52,910,000)	(72,734,000)
Assets	57,800,000	67,952,000	61,014,000
Capital expenditures	376,000	2,200,000	3,701,000
Depletion, depreciation and amortization	2,600,000	2,700,000	2,700,000
Consolidations and Eliminations
Segment Reporting Information [Line Items]
Lease bonus - mineral acreage		0	0
Realized gain on derivatives	0	0	0
Unrealized gain on derivatives	0	0	0
Expenses	(153,318,000)	(101,262,000)	(76,843,000)
Operating income (loss)	0	0	0
Assets	0	0	0
Capital expenditures	0	0	0
Oil and natural gas revenues
Segment Reporting Information [Line Items]
Revenues	1,700,542,000	744,461,000	892,325,000
Oil and natural gas revenues | Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Revenues	1,695,032,000	741,092,000	886,127,000
Oil and natural gas revenues | Operating Segments | Midstream
Segment Reporting Information [Line Items]
Revenues	5,510,000	3,369,000	6,198,000
Oil and natural gas revenues | Corporate
Segment Reporting Information [Line Items]
Revenues	0	0	0
Oil and natural gas revenues | Consolidations and Eliminations
Segment Reporting Information [Line Items]
Revenues	0	0	0
Third-party midstream services revenues
Segment Reporting Information [Line Items]
Revenues	75,499,000	64,932,000	59,110,000
Third-party midstream services revenues | Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Revenues	0	0	0
Third-party midstream services revenues | Operating Segments | Midstream
Segment Reporting Information [Line Items]
Revenues	228,817,000	166,194,000	135,953,000
Third-party midstream services revenues | Corporate
Segment Reporting Information [Line Items]
Revenues	0	0	0
Third-party midstream services revenues | Consolidations and Eliminations
Segment Reporting Information [Line Items]
Revenues	(153,318,000)	(101,262,000)	(76,843,000)
Sales of purchased natural gas
Segment Reporting Information [Line Items]
Revenues	86,034,000	41,742,000	74,769,000
Sales of purchased natural gas | Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Revenues	47,398,000	20,736,000	4,802,000
Sales of purchased natural gas | Operating Segments | Midstream
Segment Reporting Information [Line Items]
Revenues	38,636,000	21,006,000	69,967,000
Sales of purchased natural gas | Corporate
Segment Reporting Information [Line Items]
Revenues	0	0	0
Sales of purchased natural gas | Consolidations and Eliminations
Segment Reporting Information [Line Items]
Revenues	$ 0	$ 0	$ 0