Accounts Receivable and Revenues from Contracts with Customers - Summary of Accounts Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Receivables [Abstract]
Customers	$ 40,944	$ 63,165
Joint interest partners	2,046	6,929
Other	0	674
Accounts Receivable, Gross, Current, Total	42,990	70,768
Less: Allowance for credit losses	(157)	(52)
Accounts receivable, net of allowance for doubtful accounts	$ 42,833	$ 70,716