Accounts Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Accounts receivable [Line Items]
Accounts Receivable, after Allowance for Credit Loss, Current	$ 256,837	$ 244,251
Accounts Receivable, Allowance for Credit Loss, Current	(6,076)	(6,763)
joint interest billing
Accounts receivable [Line Items]
Accounts Receivable, before Allowance for Credit Loss	20,044	35,396
Revenue, Segment Benchmark
Accounts receivable [Line Items]
Accounts Receivable, before Allowance for Credit Loss	220,121	178,147
Other Accounts Receivable
Accounts receivable [Line Items]
Accounts Receivable, before Allowance for Credit Loss	$ 22,748	$ 37,471