Derivatives - Outstanding Derivative Contracts (Details) - Not Designated as Hedges	Jun. 30, 2020 Bbls_per_day MMBTU_per_day $ / MMBTU $ / bbl
Three-Way Collars - Crude Oil 2020 Q3
Derivative [Line Items]
Derivative, volume | Bbls_per_day	80,000
Derivative, ceiling	64.40
Derivative, floor	55.00
Derivative, sold put	48.00
Three-Way Collars - Crude Oil 2020 Q4
Derivative [Line Items]
Derivative, volume | Bbls_per_day	80,000
Derivative, ceiling	64.40
Derivative, floor	55.00
Derivative, sold put	48.00
Three-Way Collars - Crude Oil 2021
Derivative [Line Items]
Derivative, volume | Bbls_per_day	0
Derivative, ceiling	0
Derivative, floor	0
Derivative, sold put	0
Two-Way Collars - Crude Oil 2020 Q3
Derivative [Line Items]
Derivative, volume | Bbls_per_day	33,478
Derivative, ceiling	40.47
Derivative, floor	30.98
Two-Way Collars - Crude Oil 2020 Q4
Derivative [Line Items]
Derivative, volume | Bbls_per_day	0
Derivative, ceiling	0
Derivative, floor	0
Two-Way Collars - Crude Oil 2021
Derivative [Line Items]
Derivative, volume | Bbls_per_day	0
Derivative, ceiling	0
Derivative, floor	0
Fixed Rate Swaps - Crude Oil 2020 Q3
Derivative [Line Items]
Derivative, volume | Bbls_per_day	10,000
Fixed Rate Swaps - Crude Oil 2020 Q3 | Short
Derivative [Line Items]
Derivative, weighted average price	32.77
Fixed Rate Swaps - Crude Oil 2020 Q4
Derivative [Line Items]
Derivative, volume | Bbls_per_day	0
Fixed Rate Swaps - Crude Oil 2020 Q4 | Short
Derivative [Line Items]
Derivative, weighted average price	0
Fixed Rate Swaps - Crude Oil 2021
Derivative [Line Items]
Derivative, volume | Bbls_per_day	0
Fixed Rate Swaps - Crude Oil 2021 | Short
Derivative [Line Items]
Derivative, weighted average price	0
Midland Basis Swaps - Crude Oil 2020 Q3
Derivative [Line Items]
Derivative, volume | Bbls_per_day	15,000
Midland Basis Swaps - Crude Oil 2020 Q3 | Long
Derivative [Line Items]
Derivative, weighted average price	0.94
Midland Basis Swaps - Crude Oil 2020 Q4
Derivative [Line Items]
Derivative, volume | Bbls_per_day	15,000
Midland Basis Swaps - Crude Oil 2020 Q4 | Long
Derivative [Line Items]
Derivative, weighted average price	0.94
Midland Basis Swaps - Crude Oil 2021
Derivative [Line Items]
Derivative, volume | Bbls_per_day	0
Midland Basis Swaps - Crude Oil 2021 | Long
Derivative [Line Items]
Derivative, weighted average price	0
Brent Basis Swaps - Crude Oil 2020 Q3
Derivative [Line Items]
Derivative, volume | Bbls_per_day	5,000
Brent Basis Swaps - Crude Oil 2020 Q3 | Long
Derivative [Line Items]
Derivative, weighted average price	7.24
Brent Basis Swaps - Crude Oil 2020 Q4
Derivative [Line Items]
Derivative, volume | Bbls_per_day	5,000
Brent Basis Swaps - Crude Oil 2020 Q4 | Long
Derivative [Line Items]
Derivative, weighted average price	7.24
Brent Basis Swaps - Crude Oil 2021
Derivative [Line Items]
Derivative, volume | Bbls_per_day	808
Brent Basis Swaps - Crude Oil 2021 | Long
Derivative [Line Items]
Derivative, weighted average price	7.24
NYMEX Roll Basis Swaps - Crude Oil 2020 Q3
Derivative [Line Items]
Derivative, volume | Bbls_per_day	60,000
NYMEX Roll Basis Swaps - Crude Oil 2020 Q3 | Long
Derivative [Line Items]
Derivative, weighted average price	1.58
NYMEX Roll Basis Swaps - Crude Oil 2020 Q4
Derivative [Line Items]
Derivative, volume | Bbls_per_day	30,000
NYMEX Roll Basis Swaps - Crude Oil 2020 Q4 | Long
Derivative [Line Items]
Derivative, weighted average price	0.81
NYMEX Roll Basis Swaps - Crude Oil 2021
Derivative [Line Items]
Derivative, volume | Bbls_per_day	0
NYMEX Roll Basis Swaps - Crude Oil 2021 | Long
Derivative [Line Items]
Derivative, weighted average price	0
Two-Way Collars - Natural Gas 2020 Q3
Derivative [Line Items]
Derivative, volume | MMBTU_per_day	0
Derivative, ceiling | $ / MMBTU	0
Derivative, floor | $ / MMBTU	0
Two-Way Collars - Natural Gas 2020 Q4
Derivative [Line Items]
Derivative, volume | MMBTU_per_day	0
Derivative, ceiling | $ / MMBTU	0
Derivative, floor | $ / MMBTU	0
Two-Way Collars - Natural Gas 2021
Derivative [Line Items]
Derivative, volume | MMBTU_per_day	62,329
Derivative, ceiling | $ / MMBTU	3.07
Derivative, floor | $ / MMBTU	2.44
WAHA/HH Basis Swaps - Natural Gas 2020 Q3
Derivative [Line Items]
Derivative, volume | MMBTU_per_day	10,000
WAHA/HH Basis Swaps - Natural Gas 2020 Q3 | Long
Derivative [Line Items]
Derivative, weighted average price | $ / MMBTU	0.37
WAHA/HH Basis Swaps - Natural Gas 2020 Q4
Derivative [Line Items]
Derivative, volume | MMBTU_per_day	10,000
WAHA/HH Basis Swaps - Natural Gas 2020 Q4 | Long
Derivative [Line Items]
Derivative, weighted average price | $ / MMBTU	0.37
WAHA/HH Basis Swaps - Natural Gas 2021
Derivative [Line Items]
Derivative, volume | MMBTU_per_day	0
WAHA/HH Basis Swaps - Natural Gas 2021 | Long
Derivative [Line Items]
Derivative, weighted average price | $ / MMBTU	0