Accounts Receivable and Revenues from Contracts with Customers - Summary of Accounts Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Receivables [Abstract]
Customers	$ 76,909	$ 39,672
Joint interest partners	10,102	3,079
Derivative settlements receivable from counterparties	1,000	3,287
Other	8	8
Accounts Receivable, Gross, Current, Total	88,019	46,046
Less: Allowance for credit losses	(246)	(197)
Accounts receivable, net of allowance for doubtful accounts	$ 87,773	$ 45,849