Commitments and Contingencies - Schedule of Company Drilling and Derivative Commitments (Details) $ in Thousands	Dec. 31, 2019 USD ($) MBbls
Commitment And Contingencies [Line Items]
2019	$ 58,855
2020	0
2021	0
2022	0
2023	0
Thereafter	0
Total	58,855
Firm Transportation and Crude Oil Sales Agreements
Commitment And Contingencies [Line Items]
2019	41,534
2020	79,530
2021	79,770
2022	75,112
2023	70,962
Thereafter	126,666
Total	$ 473,574
Oil and Gas Delivery Commitments and Contracts Additional Information [Abstract]
2019 | MBbls	26,600
2020 | MBbls	45,600
2021 | MBbls	43,300
2022 | MBbls	39,700
2023 | MBbls	36,600
Thereafter | MBbls	61,500
Total | MBbls	253,300
Delivery commitments and contracts, available amounts to be received in commencement of third party | MBbls	99.0
Delivery commitment, commencement of operations of third-party	$ 204,100