Accounts Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Accounts receivable [Line Items]
Accounts Receivable, after Allowance for Credit Loss, Current	$ 307,201	$ 244,251
Accounts Receivable, Allowance for Credit Loss, Current	(5,734)	(6,763)
joint interest billing
Accounts receivable [Line Items]
Accounts Receivable, before Allowance for Credit Loss	22,476	35,396
Revenue, Segment Benchmark
Accounts receivable [Line Items]
Accounts Receivable, before Allowance for Credit Loss	281,207	178,147
Other Accounts Receivable
Accounts receivable [Line Items]
Accounts Receivable, before Allowance for Credit Loss	$ 9,252	$ 37,471