LONG-TERM DEBT - Mandatorily Redeemable Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	May 01, 2019	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Preferred stock, shares issued (in shares)		0	0
Preferred stock, par value(in dollars per share)		$ 0.001	$ 0.001
Preferred stock issued		$ 0	$ 0
Acceleration or payment default amount		100,000
Redeemable Preferred Stock
Debt Instrument [Line Items]
Preferred stock, shares issued (in shares)	60,000
Preferred stock, par value(in dollars per share)	$ 0.001
Liquidation preference, value	$ 60,000	60,000
Preferred stock issued	$ 60,000
Interest expense, dividends		$ 5,500
Redeemable Preferred Stock | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%