SEGMENT INFORMATION - Selected Financial Information for Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Revenues	$ 663,160	$ 336,181
Realized loss on derivatives	(22,439)	(25,913)
Unrealized loss on derivatives	(75,029)	(43,423)
Expenses	256,385	174,182
Operating (loss) income	309,307	92,663
Total assets	4,567,328	3,738,881	$ 4,262,153
Capital expenditures	259,154	144,771
Depletion, depreciation and amortization	95,853	74,863
Corporate
Segment Reporting Information [Line Items]
Realized loss on derivatives	0	0
Unrealized loss on derivatives	0	0
Expenses	26,242	19,962
Operating (loss) income	(26,242)	(19,962)
Total assets	75,995	26,400
Capital expenditures	225	133
Depletion, depreciation and amortization	600	700
Consolidations and Eliminations
Segment Reporting Information [Line Items]
Realized loss on derivatives	0	0
Unrealized loss on derivatives	0	0
Expenses	(50,085)	(28,471)
Operating (loss) income	0	0
Total assets	0	0
Capital expenditures	0	0
Exploration and Production | Operating Segments
Segment Reporting Information [Line Items]
Realized loss on derivatives	(22,439)	(25,913)
Unrealized loss on derivatives	(75,029)	(43,423)
Expenses	237,457	156,444
Operating (loss) income	296,990	91,328
Total assets	3,596,773	2,881,242
Capital expenditures	239,848	134,865
Depletion, depreciation and amortization	87,300	66,400
Capital expenditures attributable to land and seismic acquisition expenditures	41,100	8,700
Midstream | Operating Segments
Segment Reporting Information [Line Items]
Realized loss on derivatives	0	0
Unrealized loss on derivatives	0	0
Expenses	42,771	26,247
Operating (loss) income	38,559	21,297
Total assets	894,560	831,239
Capital expenditures	19,081	9,773
Depletion, depreciation and amortization	8,000	7,800
Net income attributable to non-controlling interest in subsidiaries		(8,900)
Capital expenditures attributable to non-controlling interest	9,300	4,400
Operating Income (Loss) | Midstream | Operating Segments
Segment Reporting Information [Line Items]
Net income attributable to non-controlling interest in subsidiaries	(17,100)
Oil and natural gas revenues
Segment Reporting Information [Line Items]
Revenues	626,515	316,233
Oil and natural gas revenues | Corporate
Segment Reporting Information [Line Items]
Revenues	0	0
Oil and natural gas revenues | Consolidations and Eliminations
Segment Reporting Information [Line Items]
Revenues	0	0
Oil and natural gas revenues | Exploration and Production | Operating Segments
Segment Reporting Information [Line Items]
Revenues	624,793	314,646
Oil and natural gas revenues | Midstream | Operating Segments
Segment Reporting Information [Line Items]
Revenues	1,722	1,587
Midstream services revenues
Segment Reporting Information [Line Items]
Revenues	17,306	15,438
Midstream services revenues | Corporate
Segment Reporting Information [Line Items]
Revenues	0	0
Midstream services revenues | Consolidations and Eliminations
Segment Reporting Information [Line Items]
Revenues	(50,085)	(28,471)
Midstream services revenues | Exploration and Production | Operating Segments
Segment Reporting Information [Line Items]
Revenues	0	0
Midstream services revenues | Midstream | Operating Segments
Segment Reporting Information [Line Items]
Revenues	67,391	43,909
Sales of purchased natural gas
Segment Reporting Information [Line Items]
Revenues	19,339	4,510
Sales of purchased natural gas | Corporate
Segment Reporting Information [Line Items]
Revenues	0	0
Sales of purchased natural gas | Consolidations and Eliminations
Segment Reporting Information [Line Items]
Revenues	0	0
Sales of purchased natural gas | Exploration and Production | Operating Segments
Segment Reporting Information [Line Items]
Revenues	7,122	2,462
Sales of purchased natural gas | Midstream | Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 12,217	$ 2,048