Derivative Contracts Schedule Of Commodity Derivative Contracts (Details) MMBTU in Millions	3 Months Ended
	Mar. 31, 2020 USD ($) MMBTU $ / MMBTU
Oil Swaps [Member] | Year 2020 [Member] | NYMEX WTI [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	11.0
Average Swap Price per Unit | $	$ 57.75
Oil Swaps [Member] | Year 2020 [Member] | Argus WTI Midland [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	1.1
Average Swap Price per Unit | $	$ 57.30
Oil Swaps [Member] | Year 2020 [Member] | Argus WTI Houston [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	0.5
Average Swap Price per Unit | $	$ 60.06
Oil Swaps [Member] | Year2021 [Member] | NYMEX WTI [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	1.6
Average Swap Price per Unit | $	$ 55.04
Oil Basis Swaps [Member] | Year 2020 [Member] | NYMEX WTI less Argus WTI Midland [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	5.2
Weighted-Average Differential | $ / MMBTU	0.20
Oil Basis Swaps [Member] | Year 2020 [Member] | NYMEX WTI less Argus WTI Houston [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	0.2
Weighted-Average Differential | $ / MMBTU	3.75
Oil Basis Swaps [Member] | Year2021 [Member] | NYMEX WTI less Argus WTI Midland [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	4.4
Weighted-Average Differential | $ / MMBTU	0.99
Gas Swaps [Member] | Year 2020 [Member] | IF Waha [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	8.3
Average Swap Price per Unit | $	$ 0.63
Gas Swaps [Member] | Year 2020 [Member] | NYMEX HH [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	5.5
Average Swap Price per Unit | $	$ 2.11
Gas Swaps [Member] | Year2021 [Member] | IF Waha [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	7.3
Average Swap Price per Unit | $	$ 1.47
Gas Swaps [Member] | Year2021 [Member] | NYMEX HH [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	7.3
Average Swap Price per Unit | $	$ 2.38