Derivative Instruments (Details)	6 Months Ended
Jun. 30, 2020 MMBTU / d $ / MMBTU $ / bbl $ / gal gal bbl
NYMEX to TCO \| Six months ending December 31, 2020
Derivative Instruments
Weighted average payout ratio	0.353
NYMEX to TCO \| Year ending December 31, 2021
Derivative Instruments
Weighted average payout ratio	0.414
NYMEX to TCO \| Year ending December 31, 2022
Derivative Instruments
Weighted average payout ratio	0.515
NYMEX to TCO \| Year ending December 31, 2023
Derivative Instruments
Weighted average payout ratio	0.525
NYMEX to TCO \| Year ending December 31, 2024
Derivative Instruments
Weighted average payout ratio	0.530
Mont Belvieu Natural Gasoline to NYMEX-WTI \| Six months ending December 31, 2020
Derivative Instruments
Weighted average payout ratio	80
Mont Belvieu Natural Gasoline to NYMEX-WTI \| Year ending December 31, 2021
Derivative Instruments
Weighted average payout ratio	78
Swaps \| NYMEX \| Six months ending December 31, 2020
Derivative Instruments
Weighted average hedged differential \| $ / MMBTU	2.87
Swaps \| NYMEX \| Year ending December 31, 2021
Derivative Instruments
Weighted average hedged differential \| $ / MMBTU	2.80
Swaps \| NYMEX \| Year ending December 31, 2023
Derivative Instruments
Weighted average hedged differential \| $ / gal	2.38
Swaps \| NYMEX-WTI \| Six months ending December 31, 2020
Derivative Instruments
Weighted average hedged differential \| $ / MMBTU	55.63
Swaps \| NYMEX-WTI \| Year ending December 31, 2021
Derivative Instruments
Weighted average hedged differential \| $ / bbl	55.16
Natural gas \| Swaps \| Six months ending December 31, 2020
Derivative Instruments
Notional amount (MMBtu/day)	2,227,500
Natural gas \| Swaps \| Year ending December 31, 2021
Derivative Instruments
Notional amount (MMBtu/day)	2,400,000
Natural gas \| Swaps \| NYMEX to TCO \| Six months ending December 31, 2020
Derivative Instruments
Notional amount (MMBtu/day)	60,000
Natural gas \| Swaps \| NYMEX to TCO \| Year ending December 31, 2021
Derivative Instruments
Notional amount (MMBtu/day)	40,000
Natural gas \| Swaps \| NYMEX to TCO \| Year ending December 31, 2022
Derivative Instruments
Notional amount (MMBtu/day)	60,000
Natural gas \| Swaps \| NYMEX to TCO \| Year ending December 31, 2023
Derivative Instruments
Notional amount (MMBtu/day)	50,000
Natural gas \| Swaps \| NYMEX to TCO \| Year ending December 31, 2024
Derivative Instruments
Notional amount (MMBtu/day)	50,000
Natural gas \| Swaps \| NYMEX \| Six months ending December 31, 2020
Derivative Instruments
Notional amount (MMBtu/day)	2,227,500
Natural gas \| Swaps \| NYMEX \| Year ending December 31, 2021
Derivative Instruments
Notional amount (MMBtu/day)	2,400,000
Natural gas \| Swaps \| NYMEX \| Year ending December 31, 2022
Derivative Instruments
Notional amount (MMBtu/day)	1,307,500
Natural gas \| Swaps \| NYMEX \| Year ending December 31, 2023
Derivative Instruments
Notional amount (MMBtu/day)	150,000
Oil \| Swaps \| Six months ending December 31, 2020
Derivative Instruments
Notional amount \| gal	26,000
Oil \| Swaps \| Year ending December 31, 2021
Derivative Instruments
Notional amount \| gal	3,000
Oil \| Swaps \| NYMEX-WTI \| Six months ending December 31, 2020
Derivative Instruments
Notional amount \| gal	26,000
Oil \| Swaps \| NYMEX-WTI \| Year ending December 31, 2021
Derivative Instruments
Notional amount \| gal	3,000
Natural gas liquids \| Swaps \| Six months ending December 31, 2020
Derivative Instruments
Notional amount \| bbl	34,815
Natural gas liquids \| Swaps \| Mont Belvieu Natural Gasoline to NYMEX-WTI \| Six months ending December 31, 2020
Derivative Instruments
Notional amount \| bbl	11,800
Natural gas liquids \| Swaps \| Mont Belvieu Natural Gasoline to NYMEX-WTI \| Year ending December 31, 2021
Derivative Instruments
Notional amount \| bbl	18,650

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- Definition

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+ References

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- Definition

Nominal number of units used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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Nominal volume used to calculate payments on a derivative instrument.

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- Definition

Average fixed price related to the group of price risk swap derivatives.

+ References

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