EQUITY AND CHANGES IN OTHER COMPREHENSIVE INCOME (LOSS) - Equity (Details) - USD ($)				1 Months Ended	3 Months Ended
	Mar. 27, 2020	Mar. 03, 2020	Jan. 24, 2020	Jan. 31, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Total equity					$ 184,870,000	$ 161,115,000	$ 179,424,000	$ 154,996,000
Common stock, dividends, declared (in dollars per share)	$ 0.16
Cash dividend			$ 1,700,000
Common stock, dividend rate, percentage				10.00%		10.00%
Dividend shares (in shares)		1,077,061		1,077,121
Preferred stock dividends paid					7,500	$ 10,850
Distribution of PDL earnings					594,000	0
Preferred Stock
Class of Stock [Line Items]
Total equity					$ 500,000	$ 560,000	500,000	1,224,000
Shares converted (in shares)					0	664
Common Stock
Class of Stock [Line Items]
Total equity					$ 1,213,000	$ 1,104,000	$ 1,213,000	$ 1,095,000
Shares converted (in shares)						83,030
PDL LLC | Corporate Joint Venture
Class of Stock [Line Items]
Ownership percentage					51.00%