SUBSEQUENT EVENTS (Details) $ / shares in Units, $ in Thousands			1 Months Ended	12 Months Ended
	Jan. 19, 2021 USD ($) $ / shares shares	Jan. 08, 2021	Mar. 26, 2021 USD ($) shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares	Feb. 19, 2021 USD ($)	Jan. 07, 2021 USD ($)	Nov. 13, 2019 USD ($)	Dec. 31, 2018
Subsequent Event [Line Items]
Interest rate									9.25%
Net proceeds after associated fees and expenses				$ 14,673	$ 0
ABL Facility
Subsequent Event [Line Items]
Aggregate principal amount								$ 37,500
Common Stock Class A
Subsequent Event [Line Items]
Common stock, par value (in dollars per share) | $ / shares				$ 0.001	$ 0.001
Shares issued and sold | shares				2,859,276
7.375% Notes
Subsequent Event [Line Items]
Interest rate				7.375%
8.75% Senior Secured Notes due December 2022
Subsequent Event [Line Items]
Interest rate				8.75%
Subsequent events | ABL Facility
Subsequent Event [Line Items]
Interest rate						85.00%
Shares issued and sold | shares	4,325,102
Gross proceeds	$ 25,000
Net proceeds after associated fees and expenses	24,000
Line of Credit Facility, Current Borrowing Capacity						$ 50,000
Letter of credit facility	$ 5,000
Subsequent events | Common Stock Class A | Current ATM Program [Member]
Subsequent Event [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.001
Aggregate offering price	$ 25,000
Shares issued and sold | shares			420,439
Gross proceeds			$ 3,000
Net proceeds after associated fees and expenses			$ 2,900
Subsequent events | 2028 Notes Offering
Subsequent Event [Line Items]
Aggregate principal amount							$ 825,000
Interest rate							7.375%
Percentage of issue price		100