LONG TERM DEBT - Unsecured VEN Bakken Note (Details)	Jul. 01, 2019
Unsecured VEN Bakken Note \| VEN Bakken LLC
Debt Instrument [Line Items]
Debt Instrument, Percent Of Principal Required To Be Paid In First Period	50.00%

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.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration