Income Taxes - Schedule of Reconciliation of Income Tax (Benefit) Provision with Income Tax Expense at Federal Statutory Rate (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income before income taxes									$ 271,855	$ 551,444	$ 129,628
Less: net income before income taxes attributable to noncontrolling interest									(35,710)	(77,446)	(18,725)
Income attributable to Parsley Energy, Inc. Stockholders before income taxes									236,145	473,998	110,903
Income taxes at the federal statutory rate									49,591	99,539	38,816
State income taxes, net of federal benefit									3,127	4,452	6,175
Provision to return adjustment									2,352	(1,018)	178
Permanent and other									(140)	(2,285)	166
TRA liability change									0	92	(12,547)
Valuation allowance									6,507	4,695	(26,657)
Valuation allowance due to the reduction in federal statutory rate									0	0	(24,356)
Income tax provision due to change in federal statutory rate									0	0	23,933
Income tax expense	$ 1,649	$ 34,953	$ 32,625	$ (7,790)	$ 16,453	$ 32,454	$ 33,243	$ 23,325	61,437	105,475	5,708
Net income attributable to Parsley Energy, Inc. Stockholders	(36,369)	119,710	115,935	(24,064)	53,773	113,309	119,155	82,890	175,212	369,127	106,774
Net income attributable to noncontrolling interest	$ 196	$ 19,890	$ 19,059	$ (3,939)	$ 11,626	$ 20,840	$ 21,803	$ 22,573	$ 35,206	$ 76,842	$ 17,146