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Accounts Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	$ 222,459		$ 372,440
Allowance for doubtful accounts	(1,805)		(1,259)
Total accounts receivable, net	220,654		371,181
Cumulative-effect adjustment for adoption of ASU 2016-13		$ (410)
Trade accounts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	126,125		276,629
Joint interest accounts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	82,547		82,112
Other accounts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	$ 13,787		$ 13,699
Retained Earnings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cumulative-effect adjustment for adoption of ASU 2016-13		(410)
Retained Earnings | ASU 2016-13
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cumulative-effect adjustment for adoption of ASU 2016-13		$ (400)

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