Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

No definition available.

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($) $ in Millions	Mar. 11, 2019	Aug. 02, 2018	Apr. 30, 2020
Salt Creek Midstream, LLC
Long-term Purchase Commitment [Line Items]
Agreement period		5 years
ARM Energy Management, LLC
Long-term Purchase Commitment [Line Items]
Agreement period	5 years
Subsequent Event \| Statutory Mechanic's And Materialman’s Liens
Long-term Purchase Commitment [Line Items]
Other commitment			$ 9