LONG-TERM DEBT AND OTHER FINANCING ARRANGEMENTS - Minimum EDBITDA, Second Lien Term Loan (Details) - Second Lien Term Loan Facility $ in Thousands	Dec. 31, 2019 USD ($)
7/1/19-12/31/19
Debt Instrument [Line Items]
Minimum adjusted consolidated EBITDA	$ 19,100
1/1/20-6/30/20
Debt Instrument [Line Items]
Minimum adjusted consolidated EBITDA	16,400
7/1/20-12/31/20
Debt Instrument [Line Items]
Minimum adjusted consolidated EBITDA	$ 21,400