OTHER COMPREHENSIVE (LOSS) INCOME - Summary of the Tax Effects (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other comprehensive income (loss): Securities available-for-sale: Before Tax Amount
Change in unrealized gain/loss during period	$ (2,369)	$ 4,687	$ (12,481)
Reclassification adjustment for net gains included in net income	(1,243)	(128)	(234)
Total other comprehensive (loss) income, before tax	(3,612)	4,559	(12,715)
Other comprehensive income (loss): Securities available-for-sale: Tax Effect
Change in unrealized gain/loss during period	829	(1,641)	4,368
Reclassification adjustment for net gains included in net income	435	45	82
Total other comprehensive (loss) income	1,264	(1,596)	4,450
Other comprehensive income (loss): Securities available-for-sale: Net of Tax Amount
Change in unrealized gain/loss during period	(1,540)	3,046	(8,113)
Reclassification adjustment for net gains included in net income	(808)	(83)	(152)
Total other comprehensive (loss) income, net of tax	$ (2,348)	$ 2,963	$ (8,265)