REDEEMABLE PREFERRED STOCK - Series L Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Thousands			11 Months Ended	12 Months Ended
	Oct. 22, 2019	Nov. 21, 2017	Nov. 20, 2019	Dec. 31, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Redeemable preferred stock redemptions				$ 72	$ 5,882
Series L Preferred Stock, $0.001 Par Value
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)		8,080,740		8,080,740	8,080,740
Preferred stock, liquidation preference per share (in usd per share)				$ 28.37	$ 28.37
Gross proceeds from sale of preferred stock		$ 229,300
Offering costs		15,900
Discount on shares issued		2,900
Offering costs, non-issuance specific		$ 2,500
Minimum fixed charge coverage ratio		125.00%
Series L Preferred Stock, $0.001 Par Value | Tender Offer
Class of Stock [Line Items]
Authorized shares for repurchase (in shares)	2,693,580
Authorized shares for repurchase, percentage of share outstanding	33.00%
Purchase price (in usd per share)	$ 29.12
Preferred stock, dividends per share, declared (in usd per share)	$ 1.39
Dividends, preferred stock, aggregate value			$ 3,700
Professional fees	$ 462
Cost to repurchase tendered shares	$ 75,200
Redeemable preferred stock redemptions					$ 5,900
Series L Preferred Stock, $0.001 Par Value | Registration Statement
Class of Stock [Line Items]
Preferred stock, liquidation preference per share (in usd per share)		$ 28.37