Commodity Derivative Positions (Details)	Mar. 31, 2020 bbl $ / bbl
Interest Rate Swap
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Average Fixed Interest Rate	136.00%
Crude Oil | Swap [Member] | Second Quarter 2021 [Member] [Domain]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	4,945
Derivative, Swap Type, Fixed Price	51.60
Crude Oil | Swap [Member] | First Quarter 2021 [Member] [Domain]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	5,000
Derivative, Swap Type, Fixed Price	51.60
Crude Oil | Swap [Member] | Fourth Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	9,804
Derivative, Swap Type, Fixed Price	55.18
Crude Oil | Swap [Member] | Third Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	8,630
Derivative, Swap Type, Fixed Price	55.20
Crude Oil | Swap [Member] | Second Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	13,209
Derivative, Swap Type, Fixed Price	52.06
Crude Oil | 2-Way Collars [Domain] | Second Quarter 2021 [Member] [Domain]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	4,121
Derivative, Floor Price	43.60
Derivative, Cap Price	46.84
Crude Oil | 2-Way Collars [Domain] | First Quarter 2021 [Member] [Domain]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	4,167
Derivative, Floor Price	43.60
Derivative, Cap Price	46.84
Crude Oil | 2-Way Collars [Domain] | Fourth Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	2,000
Derivative, Floor Price	48.00
Derivative, Cap Price	57.10
Crude Oil | 2-Way Collars [Domain] | Third Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	6,891
Derivative, Floor Price	52.97
Derivative, Cap Price	58.03
Crude Oil | 2-Way Collars [Domain] | Second Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	5,297
Derivative, Floor Price	52.36
Derivative, Cap Price	57.60
Crude Oil | Purchased Puts Contract 1 [Member] | Second Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	3,297
Derivative, Floor Price	23.00
Derivative, Purchased Put Deferred premium, Price	2.11
Crude Oil | Purchased Puts Contract 2 [Member] | Second Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	8,242
Derivative, Floor Price	30.00
Derivative, Purchased Put Deferred premium, Price	3.19
Crude Oil | Put Spread [Member] | Third Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	5,435
Derivative, Put Spread Purchased Put, Price	30.00
Derivative, Put Spread Sold Put, Price	20.00
Derivative, Purchased Spread Deferred premium, Price	1.84
Crude Oil | Purchased Call [Member] | Second Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	3,297
Derivative, Floor Price	57.90
Derivative, Purchased Put Deferred premium, Price	0.10
Crude Oil | Put Option [Member] | Second Quarter 2021 [Member] [Domain]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	9,066
Derivative, Swap Type, Fixed Price	37.36
Crude Oil | Put Option [Member] | First Quarter 2021 [Member] [Domain]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	9,167
Derivative, Swap Type, Fixed Price	37.36
Crude Oil | Put Option [Member] | Fourth Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	5,087
Derivative, Swap Type, Fixed Price	43.50
Crude Oil | Put Option [Member] | Second Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	912
Derivative, Swap Type, Fixed Price	44.00
MEH [Member] | Swap [Member] | Fourth Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	2,000
Derivative, Swap Type, Fixed Price	61.03
MEH [Member] | Swap [Member] | Third Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	2,000
Derivative, Swap Type, Fixed Price	61.03
MEH [Member] | Swap [Member] | Second Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	2,000
Derivative, Swap Type, Fixed Price	61.03
Natural Gas [Member] | 2-Way Collars [Domain] | Fourth Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	12,804
Derivative, Floor Price	2.00
Derivative, Cap Price	2.21
Natural Gas [Member] | 2-Way Collars [Domain] | Third Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	12,804
Derivative, Floor Price	2.00
Derivative, Cap Price	2.21
Natural Gas [Member] | 2-Way Collars [Domain] | Second Quarter 2020 [Member]
Derivative Instruments Related to Oil and Gas Production [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	12,901
Derivative, Floor Price	2.00
Derivative, Cap Price	2.21