STOCKHOLDERS' EQUITY (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Net unrealized gain (loss) arising during the period
Net of Tax	$ 2,472	$ 3,330
Less: reclassification adjustment for losses realized in net income
Net of Tax	17	5,096
Other Comprehensive Income
Before Tax	3,905	13,791
Tax Effect	(1,416)	(5,365)
Total other comprehensive income	2,489	8,426
Net unrealized holding loss (gain) on AFS securities:
Net unrealized gain (loss) arising during the period
Before Tax	9,371	6,055
Tax Effect	(3,617)	(2,233)
Net of Tax	5,754	3,822
Less: reclassification adjustment for losses realized in net income
Before Tax	(34)	(34)
Tax Effect	12	12
Net of Tax	(22)	(22)
Other Comprehensive Income
Before Tax	9,337	6,021
Tax Effect	(3,605)	(2,221)
Total other comprehensive income	5,732	3,800
Net loss on effective cash flow hedging derivatives
Net unrealized gain (loss) arising during the period
Before Tax	(3,901)	(860)
Tax Effect	1,572	368
Net of Tax	(2,329)	(492)
Less: reclassification adjustment for losses realized in net income
Before Tax		5,393
Tax Effect		(2,200)
Net of Tax		3,193
Other Comprehensive Income
Before Tax	(3,901)	4,533
Tax Effect	1,572	(1,832)
Total other comprehensive income	(2,329)	2,701
Net loss on terminated swap
Less: reclassification adjustment for losses realized in net income
Before Tax		3,237
Tax Effect		(1,312)
Net of Tax		1,925
Other Comprehensive Income
Before Tax		3,237
Tax Effect		(1,312)
Total other comprehensive income		1,925
Net unrealized holding loss on pension plans
Net unrealized gain (loss) arising during the period
Before Tax	(1,596)
Tax Effect	643
Net of Tax	(953)
Less: reclassification adjustment for losses realized in net income
Before Tax	65
Tax Effect	(26)
Net of Tax	39
Other Comprehensive Income
Before Tax	(1,531)
Tax Effect	617
Total other comprehensive income	$ (914)