STOCKHOLDERS' EQUITY AND EARNINGS PER COMMON SHARE (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated other comprehensive loss	$ 6,579	$ (9,057)	$ (2,979)	$ (4,885)
Net unrealized holding gain on AFS securities:
Other accumulated comprehensive income (loss), before tax:	15,993	(9,294)
Income taxes related to items of accumulated other comprehensive (loss) income:	(6,077)	3,518
Accumulated other comprehensive loss	9,916	(5,776)	6,712	3,960
Net loss on cash flow hedging derivatives
Other accumulated comprehensive income (loss), before tax:	(3,299)	(2,289)
Income taxes related to items of accumulated other comprehensive (loss) income:	1,330	923
Accumulated other comprehensive loss	(1,969)	(1,366)	(6,558)	(5,174)
Net loss on terminated swap
Other accumulated comprehensive income (loss), before tax:		(3,237)
Income taxes related to items of accumulated other comprehensive (loss) income:		1,312
Accumulated other comprehensive loss	0	(1,925)	(2,378)	(2,996)
Net unrealized holding loss on pension plans
Other accumulated comprehensive income (loss), before tax:	(2,291)	17
Income taxes related to items of accumulated other comprehensive (loss) income:	923	(7)
Accumulated other comprehensive loss	$ (1,368)	$ 10	$ (755)	$ (675)