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Subsequent Events (Details) - Variable Interest Entity, Primary Beneficiary - USD ($) $ in Thousands, shares in Millions		12 Months Ended
	Jan. 29, 2020	Dec. 31, 2019	Jan. 01, 2022
Subsequent Event [Line Items]
Variable interest entity, ownership percentage		34.00%
General Partner
Subsequent Event [Line Items]
Variable interest entity, ownership percentage		100.00%
Limited Partner | Subsequent Event
Subsequent Event [Line Items]
Variable interest entity, ownership percentage	53.10%
Common Units | Subsequent Event
Subsequent Event [Line Items]
Limited partnership interests (in units)	47.7
IDR Elimination Transaction | Subsequent Event
Subsequent Event [Line Items]
Incentive distribution receivable, due next twelve months	$ 50,000
Incentive distribution receivable, due in two years	50,000
Incentive distribution receivable, due in three years	$ 35,000
IDR Elimination Transaction | General Partner | CNX Midstream GP LLC | Subsequent Event
Subsequent Event [Line Items]
Variable interest entity, ownership percentage	2.00%
IDR Elimination Transaction | Common Units | Subsequent Event
Subsequent Event [Line Items]
Limited Partners' capital account, issued (in units)	26.0
IDR Elimination Transaction | Capital Unit, Class B | Subsequent Event
Subsequent Event [Line Items]
Limited Partners' capital account, issued (in units)	3.0
Forecast | Common Units | Subsequent Event
Subsequent Event [Line Items]
Limited partnership interests (in units)			50.7
Forecast | IDR Elimination Transaction | Subsequent Event
Subsequent Event [Line Items]
Consideration to be received	$ 135,000

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- Definition

Incentive Distribution Receivable, Due In Three Years

+ References

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- Definition

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- Definition

Amount of noncash consideration received for selling an asset or business through a noncash (or part noncash) transaction.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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- Definition

The number of units or equivalent units outstanding for all classes.

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