Commitments (Details) $ in Millions	Jun. 30, 2021 USD ($)
Drilling Rig Leasing Contracts [Member]
Commitments and Contingencies [Line Items]
Early Termination Penalty for Rig Contract Cancellation	$ 9.7
Contractual Obligation	16.1
Operating Lease
Commitments and Contingencies [Line Items]
Contractual Obligation	26.1
Minimum [Member]
Commitments and Contingencies [Line Items]
Potential penalty for not meeting minimum drilling and completion requirements	0.0
Maximum [Member]
Commitments and Contingencies [Line Items]
Potential penalty for not meeting minimum drilling and completion requirements	$ 45.1