ACCOUNTS RECEIVABLE - Components of Accounts Receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other co-venturers	$ 2,656
Trade	34,980
Unbilled accounts receivable	820
Other	802
Total accounts receivable	$ 39,258
Predecessor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other co-venturers		$ 3,532
Trade		42,944
Unbilled accounts receivable		591
Other		1,397
Total accounts receivable		$ 48,464