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Derivative Instruments - Schedule of Derivative Instruments (Details) - Not Designated as Hedging Instrument bbl in Thousands	9 Months Ended
	Sep. 30, 2020 MMBTU bbl / d $ / bbl $ / MMBTU bbl
Crude Oil Collars - Period One [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	276
Volume (Bbls/d) | bbl / d	3,000
Derivative, Average Floor Price	39.33
Derivative, Average Cap Price	45.02
Crude Oil Basis Swap - Period One [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	1,196
Volume (Bbls/d) | bbl / d	13,000
Weighted Average Differential ($/MMBtu)	0.51
Crude Oil Basis Swap - Period Two [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	91
Volume (Bbls/d) | bbl / d	1,000
Weighted Average Differential ($/MMBtu)	0.25
Crude Oil Basis Swap - Period Three [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	92
Volume (Bbls/d) | bbl / d	1,000
Weighted Average Differential ($/MMBtu)	0.20
Crude Oil Basis Swap - Period Four [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	92
Volume (Bbls/d) | bbl / d	1,000
Weighted Average Differential ($/MMBtu)	0.20
Natural Gas Swaps - Henry Hub - Period One
Derivative [Line Items]
Volume (MMBtu) | MMBTU	3,370,000
Volume (MMBtu/d) | MMBTU	36,630
Weighted Average Fixed Price ($/Bbl) | $ / MMBTU	2.65
Natural Gas Swaps - Henry Hub - Period Two [Member]
Derivative [Line Items]
Volume (MMBtu) | MMBTU	4,500,000
Volume (MMBtu/d) | MMBTU	50,000
Weighted Average Fixed Price ($/Bbl) | $ / MMBTU	2.89
Natural Gas Swaps - Henry Hub - Period Three [Member]
Derivative [Line Items]
Volume (MMBtu) | MMBTU	910,000
Volume (MMBtu/d) | MMBTU	10,000
Weighted Average Fixed Price ($/Bbl) | $ / MMBTU	2.92
Natural Gas Swaps - Henry Hub - Period Four [Member]
Derivative [Line Items]
Volume (MMBtu) | MMBTU	920,000
Volume (MMBtu/d) | MMBTU	10,000
Weighted Average Fixed Price ($/Bbl) | $ / MMBTU	2.92
Natural Gas Swaps - Henry Hub - Period Five [Member]
Derivative [Line Items]
Volume (MMBtu) | MMBTU	920,000
Volume (MMBtu/d) | MMBTU	10,000
Weighted Average Fixed Price ($/Bbl) | $ / MMBTU	2.92
Natural Gas Basis Swap - Period One [Member]
Derivative [Line Items]
Weighted Average Differential ($/MMBtu)	1.62
Volume (MMBtu) | MMBTU	930,000
Volume (MMBtu/d) | MMBTU	10,109
Natural Gas Collars - Period One
Derivative [Line Items]
Derivative, Average Floor Price	2.90
Volume (MMBtu) | MMBTU	1,220,000
Volume (MMBtu/d) | MMBTU	13,261
Derivative, Average Cap Price	3.64
Natural Gas Collars - Period Two [Member]
Derivative [Line Items]
Derivative, Average Floor Price	2.90
Volume (MMBtu) | MMBTU	1,800,000
Volume (MMBtu/d) | MMBTU	20,000
Derivative, Average Cap Price	3.64
NYMEX WTI [Member] | Crude Oil Swap - Period One [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	1,196
Volume (Bbls/d) | bbl / d	13,000
Weighted Average Fixed Price ($/Bbl)	38.89
NYMEX WTI [Member] | Crude Oil Swap - Period Two [Domain]
Derivative [Line Items]
Volume (Bbls) | bbl	225
Volume (Bbls/d) | bbl / d	2,500
Weighted Average Fixed Price ($/Bbl)	43.07
NYMEX WTI [Member] | Crude Oil Swap - Period Three [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	91
Volume (Bbls/d) | bbl / d	1,000
Weighted Average Fixed Price ($/Bbl)	45.15
NYMEX WTI [Member] | Crude Oil Swap - Period Four [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	92
Volume (Bbls/d) | bbl / d	1,000
Weighted Average Fixed Price ($/Bbl)	45.53
NYMEX WTI [Member] | Crude Oil Swap - Period Five [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	92
Volume (Bbls/d) | bbl / d	1,000
Weighted Average Fixed Price ($/Bbl)	45.65
ICE Brent [Member] | Crude Oil Swap - Period Two [Domain]
Derivative [Line Items]
Volume (Bbls) | bbl	270
Volume (Bbls/d) | bbl / d	3,000
Weighted Average Fixed Price ($/Bbl)	46.85
ICE Brent [Member] | Crude Oil Swap - Period Three [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	182
Volume (Bbls/d) | bbl / d	2,000
Weighted Average Fixed Price ($/Bbl)	48.01
ICE Brent [Member] | Crude Oil Swap - Period Four [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	184
Volume (Bbls/d) | bbl / d	2,000
Weighted Average Fixed Price ($/Bbl)	48.25
ICE Brent [Member] | Crude Oil Swap - Period Five [Member]
Derivative [Line Items]
Volume (Bbls) | bbl	184
Volume (Bbls/d) | bbl / d	2,000
Weighted Average Fixed Price ($/Bbl)	48.50

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- Definition

The average cap rate on a group of price risk derivatives such as caps or collars. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

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The average floor rate on a group of price risk derivatives such as floors or collars. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Nominal energy measure used to calculate payments on a derivative instrument.

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- Definition

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.

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- Definition

Average variable price rate related to the group of price risk swap derivatives.

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