Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.19.2
Commitments and Contingencies - Additional Information (Details)
$ in Millions
6 Months Ended
Jun. 30, 2019
USD ($)
bbl
Commitments and Contingencies Disclosure [Line Items]  
Long-term Purchase Commitment, Minimum Volume Required | bbl 8,000
Drilling Rigs 2
Commitment length 1
Termination Notice, Days 60
Estimated Litigation Liability, Current $ 0.3
Asset Retirement Obligation 4.5
Crude Oil Gathering And Transportation Services  
Commitments and Contingencies Disclosure [Line Items]  
Contractual Obligation, Due in 2019 6.3
Contractual Obligation, Due 2020 through 2025 13.0
Contractual Obligation, Due 2026 7.4
Contractual Obligation, Due 2027 through 2030 3.8
Contractual Obligation, Due 2031 2.2
Contract Drilling [Member]  
Commitments and Contingencies Disclosure [Line Items]  
Contractual Obligation $ 9.9