INVESTMENT IN EQUITY SECURITIES (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions		3 Months Ended		12 Months Ended
	Feb. 17, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2016	Dec. 31, 2019
Marketable Securities [Line Items]
Investment in equity securities		$ 41,271			$ 42,618
Unrealized gain (loss) from change in fair value		$ (1,347)	$ 2,238
RESI
Marketable Securities [Line Items]
Number of investment shares acquired (in shares)				4.1
Number of securities outstanding (in shares)		3.5			3.5
Investment in equity securities		$ 41,300			$ 42,600
Unrealized gain (loss) from change in fair value		(1,300)	2,200
Investment income, dividend		$ 500	$ 600
Price of shares in merger agreement (in dollars per share)	$ 12.50