Commitments and Contingencies Commitments and Contingencies - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Long-term Purchase Commitment [Line Items]
Purchase Obligation Agreement Expiration Date	2031
Future Drilling Commitments At Balance Sheet Date	$ 36,000
Drilling Commitments Year One	33,000
Drilling Commitments Year Two	3,000
Operating Lease, Liability	12,583
Purchase Obligation	2,110,000
Purchase Obligation, Future Minimum Payments, Remainder of Fiscal Year	210,000
Purchase Obligation, Due in Second Year	326,000
Purchase Obligation, Due in Third Year	329,000
Purchase Obligation, Due in Fourth Year	331,000
Purchase Obligation, Due in Fifth Year	298,000
Purchase Obligation, Due after Fifth Year	$ 615,000
Future Drilling Commitments End Date	2021-04
Drilling rig commitments [Member]
Long-term Purchase Commitment [Line Items]
Operating Lease, Liability	$ 6,048