Subsequent Event (Details) - Revolving credit facility - Senior Secured Reserve-Based Credit Facility - Line of Credit - USD ($)	Nov. 02, 2020	Sep. 30, 2020
Subsequent Event [Line Items]
Initial borrowing base		$ 27,000,000
Subsequent Event
Subsequent Event [Line Items]
Floor interest rate	0.25%
Initial borrowing base	$ 23,000,000

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.

No definition available.

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