OTHER COMPREHENSIVE INCOME (LOSS) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized holding gains on available for sale securities	$ 4,915	$ 4,543
Reclassification adjustment for losses realized in income	10	1,112
Income tax effect	(1,959)	(2,244)
Net change in unrealized gains on available for sale securities	2,966	3,411
Reclassification adjustment for amortization realized in income	88	(7)
Income tax effect	(34)	3
Net change in post-retirement obligation	54	(4)
Change in fair value of derivatives used for cash flow hedges	(681)	(150)
Income tax effect	261	59
Net change in unrealized losses on cash flow hedge	(420)	(91)
Total	2,600	3,316
Unrealized (losses) on available for sale securities
Balance at the beginning of the period	(3,307)
Current Period Change	2,966	3,411
Balance at the end of the period	(341)
Unrealized (losses) on pension benefits
Balance at the beginning of the period	(4,491)
Current Period Change	54	(4)
Balance at the end of the period	(4,437)
Unrealized (losses) on cash flow hedges
Balance at the beginning of the period	(569)
Current Period Change	(420)	(91)
Balance at the end of the period	(989)
Total
Balance at the beginning of the period	(8,367)
Current Period Change	2,600	3,316
Balance at the end of the period	$ (5,767)