FAIR VALUE DISCLOSURES (Details) $ in Thousands |
12 Months Ended | |||
---|---|---|---|---|
Dec. 31, 2020
USD ($)
derivative
|
Dec. 31, 2019
USD ($)
|
Dec. 31, 2018
USD ($)
|
Apr. 30, 2020
USD ($)
|
|
Asset impairment charge | $ 445 | $ 75 | $ 0 | |
Senior Secured Credit Facility [Member] | Term Loan [Member] | ||||
Long-term debt, gross | 65,900 | |||
Senior Secured Credit Facility [Member] | Delayed Draw Term Loan [Member] | ||||
Long-term debt, gross | $ 113,600 | |||
Contingent Value Rights [Member] | Discount rate | ||||
Fair values inputs discount rate | 15.00% | |||
Interest rate swap [Member] | ||||
Number of interest rate swaps terminated | derivative | 2 | |||
Number of derivative instruments held | derivative | 1 | |||
Fair value interest rate derivative liabilities | $ 14,109 | 6,215 | ||
Derivative liability, notional amount | $ 184,200 | |||
Interest rate swap [Member] | Fair Value, Inputs, Level 2 [Member] | ||||
Fair value interest rate derivative liabilities | 14,109 | $ 6,215 | ||
Interest rate swap [Member] | Senior Secured Credit Facility [Member] | ||||
Derivative liability, notional amount | $ 179,400 |