CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016		Sep. 30, 2015
Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	$ (1,379)	$ (3,945)	$ (7,517)	[1]	$ (2,244)
Other comprehensive income (loss) before reclassifications	(1,703)	(204)	4,416		(1,858)
Reclassification of gains on AFS securities	0	0	(121)		(52)
Reclassification of amounts into interest expense from termination of interest rate swaps	70	21	210		26
Net other comprehensive income (loss) during period	(1,633)	(183)	4,505		(1,884)
Ending Balance	(3,012)	(4,128)	(3,012)		(4,128)
Unrealized Net Gains (Losses) on AFS Securities
Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	6,845	(2,479)	(3,321)		(1,185)
Other comprehensive income (loss) before reclassifications	(2,041)	2,972	8,246		1,730
Reclassification of gains on AFS securities	0	0	(121)		(52)
Reclassification of amounts into interest expense from termination of interest rate swaps	0	0	0		0
Net other comprehensive income (loss) during period	(2,041)	2,972	8,125		1,678
Ending Balance	4,804	493	4,804		493
Unrealized Net Gains (Losses) on Cash Flow Hedges
Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(8,224)	(1,466)	(4,196)		(1,059)
Other comprehensive income (loss) before reclassifications	338	(3,176)	(3,830)		(3,588)
Reclassification of gains on AFS securities	0	0	0		0
Reclassification of amounts into interest expense from termination of interest rate swaps	70	21	210		26
Net other comprehensive income (loss) during period	408	(3,155)	(3,620)		(3,562)
Ending Balance	$ (7,816)	$ (4,621)	$ (7,816)		$ (4,621)

[1] Derived from the audited consolidated financial statements included in the Company's 2015 Annual Report on Form 10-K.