Acquisitions and Divestitures - Schedule of Acquisitions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Assets acquired, evaluated	$ 140,025	$ 137,496	$ 51,862
Assets acquired, unevaluated	78,093	59,460	50,224
Total	218,118	196,956	$ 102,086
Texas, Oklahoma, Colorado, New Mexico, North Dakota
Business Acquisition [Line Items]
Assets acquired, evaluated	140,025	115,589
Assets acquired, unevaluated	78,093	81,367
Total	$ 218,118	$ 196,956