DERIVATIVE INSTRUMENTS (Summary of Derivative Activity) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax, Total	$ (679)	$ 1,102	$ (3,993)	$ 5,464
Total Return Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax, Total		422	(42)	2,060
Net proceeds from derivative instrument		700	200	1,900
Basis Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax, Total	(273)	208	(526)	715
Net proceeds from derivative instrument	100		200
Interest rate cap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax, Total	(234)	137	(797)	612
Interest rate swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax, Total	(441)	327	(2,717)	1,722
Net proceeds from derivative instrument		100	200	300
2-Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net proceeds from derivative instrument		300		300
Foreign Exchange Forward [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax, Total	$ 269	$ 8	$ 89	$ 355