Derivatives - Outstanding Derivative Contracts (Details) - Not Designated as Hedges	1 Months Ended	9 Months Ended
	Nov. 05, 2019 Bbls_per_day $ / bbl	Sep. 30, 2019 Bbls_per_day $ / bbl
Three-Way Collars - Crude Oil 2019 Q4 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		80,000
Three-Way Collars - Crude Oil 2020 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		42,945
Three-Way Collars - Crude Oil 2021 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		0
Three-Way Collars - Crude Oil 2019 Q4, Ceiling [Member]
Derivative [Line Items]
Underlying, Derivative Volume		74.19
Three-Way Collars - Crude Oil 2020, Ceiling [Member]
Derivative [Line Items]
Underlying, Derivative Volume		65.58
Three-Way Collars - Crude Oil 2021, Ceiling [Member]
Derivative [Line Items]
Underlying, Derivative Volume		0
Three-Way Collars - Crude Oil 2019 Q4, Floor [Member]
Derivative [Line Items]
Underlying, Derivative Volume		56.75
Three-Way Collars - Crude Oil 2020, Floor [Member]
Derivative [Line Items]
Underlying, Derivative Volume		55.00
Three-Way Collars - Crude Oil 2021 Q1, Floor [Member]
Derivative [Line Items]
Underlying, Derivative Volume		0
Three-Way Collars - Crude Oil 2019 Q4, Sold Put [Member]
Derivative [Line Items]
Underlying, Derivative Volume		49.50
Three-Way Collars - Crude Oil 2020, Sold Put [Member]
Derivative [Line Items]
Underlying, Derivative Volume		47.77
Three-Way Collars - Crude Oil 2021, Sold Put [Member]
Derivative [Line Items]
Underlying, Derivative Volume		0
Midland Basis Swaps - Crude Oil 2019 Q4 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		15,000
Underlying, Derivative Volume		(1.40)
Midland Basis Swaps - Crude Oil 2020 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		15,000
Underlying, Derivative Volume		(0.94)
Midland Basis Swaps - Crude Oil 2021 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		0
Underlying, Derivative Volume		0
Brent Basis Swaps - Crude Oil 2019 Q4 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		5,000
Underlying, Derivative Volume		(7.24)
Brent Basis Swaps - Crude Oil 2020 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		5,000
Underlying, Derivative Volume		(7.24)
Brent Basis Swaps - Crude Oil 2021 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		808
Underlying, Derivative Volume		(7.24)
Clearbrook Basis Swaps Crude Oil 2019 Q4 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		2,000
Underlying, Derivative Volume		(3.33)
Clearbrook Basis Swaps Crude Oil 2020 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		0
Underlying, Derivative Volume		0
Clearbrook Basis Swaps Crude Oil 2021 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		0
Underlying, Derivative Volume		0
ArgusWTIHouston Basis Swaps - Crude Oil 2019 Q4 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		10,000
Underlying, Derivative Volume		5.51
ArgusWTIHouston Basis Swaps - Crude Oil 2020 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		0
Underlying, Derivative Volume		0
ArgusWTIHouston Basis Swaps - Crude Oil 2021 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		0
Underlying, Derivative Volume		0
NYMEX Roll Basis Swaps - Crude Oil 2019 Q4 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		60,000
Underlying, Derivative Volume		0.38
NYMEX Roll Basis Swaps - Crude Oil 2020 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		0
Underlying, Derivative Volume		0
NYMEX Roll Basis Swaps - Crude Oil 2021 [Member]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day		0
Underlying, Derivative Volume		0
Subsequent Event | Three-Way Collars - Natural Gas Q1 2020 [Domain]
Derivative [Line Items]
Derivative, nonmonetary notional amount | Bbls_per_day	100,000
Subsequent Event | Three-Way Collars - Natural Gas Q1 2020, Ceiling [Member]
Derivative [Line Items]
Underlying, Derivative Volume	3.32
Subsequent Event | Three-Way Collars - Natural Gas Q1 2020, Floor [Member]
Derivative [Line Items]
Underlying, Derivative Volume	2.75
Subsequent Event | Three-Way Collars - Natural Gas Q1 2020, Sold Put [Member]
Derivative [Line Items]
Underlying, Derivative Volume	2.25