Condensed Consolidating Financial Information - Summary of Condensed Consolidating Results Of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues:
Total revenue	$ 187,764	$ 178,713
Operating expenses:
Depreciation, depletion and amortization	93,543	64,587
Write-down of oil and natural gas properties	57
Accretion expense	12,417	9,607
General and administrative expense	27,469	17,609
Total operating expenses	191,976	160,344
Operating income (expense)	(4,212)	18,369
Interest expense	(25,850)	(25,218)
Price risk management activities income (expense)	243,217	(109,579)
Other income (expense)	(146)	433
Income tax (expense)	(55,260)	6,359
Net income (loss)	157,749	(109,636)
Oil and Gas Properties
Operating expenses:
Lease operating expense	58,241	67,959
Production taxes	249	582
Parent
Operating expenses:
General and administrative expense	222	337
Total operating expenses	222	337
Operating income (expense)	(222)	(337)
Interest expense	7
Income tax (expense)	(55,259)	6,837
Equity earnings (losses) from subsidiaries	213,223	(116,136)
Net income (loss)	157,749	(109,636)
Subsidiary Issuer
Operating expenses:
Depreciation, depletion and amortization	727	72
General and administrative expense	16,741	8,606
Total operating expenses	17,468	8,678
Operating income (expense)	(17,468)	(8,678)
Interest expense	(18,622)	(16,572)
Price risk management activities income (expense)	243,217	(109,579)
Other income (expense)	166	81
Equity earnings (losses) from subsidiaries	5,930	18,612
Net income (loss)	213,223	(116,136)
Guarantors
Revenues:
Total revenue	187,757	178,713
Operating expenses:
Depreciation, depletion and amortization	92,803	64,510
Accretion expense	12,417	9,607
General and administrative expense	9,828	8,775
Total operating expenses	173,538	151,433
Operating income (expense)	14,219	27,280
Interest expense	(7,233)	(8,518)
Other income (expense)	184	471
Income tax (expense)	(1)	(2)
Net income (loss)	7,169	19,231
Guarantors | Oil and Gas Properties
Operating expenses:
Lease operating expense	58,241	67,959
Production taxes	249	582
Non-Guarantors
Revenues:
Total revenue	7
Operating expenses:
Depreciation, depletion and amortization	13	5
Write-down of oil and natural gas properties	57
General and administrative expense	678	(109)
Total operating expenses	748	(104)
Operating income (expense)	(741)	104
Interest expense	(2)	(128)
Other income (expense)	(496)	(119)
Income tax (expense)		(476)
Net income (loss)	(1,239)	(619)
Elimination
Operating expenses:
Equity earnings (losses) from subsidiaries	(219,153)	97,524
Net income (loss)	(219,153)	97,524
Oil Revenue
Revenues:
Revenue	166,624	155,679
Oil Revenue | Guarantors
Revenues:
Revenue	166,617	155,679
Oil Revenue | Non-Guarantors
Revenues:
Revenue	7
Natural Gas Revenue
Revenues:
Revenue	11,898	14,447
Natural Gas Revenue | Guarantors
Revenues:
Revenue	11,898	14,447
NGL Revenue
Revenues:
Revenue	4,301	5,066
NGL Revenue | Guarantors
Revenues:
Revenue	4,301	5,066
Other
Revenues:
Revenue	4,941	3,521
Other | Guarantors
Revenues:
Revenue	$ 4,941	$ 3,521