OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized holding gains (losses) on available for sale securities	$ 2,725	$ (3,653)	$ 12,465	$ 1,262
Reclassification adjustment for (gains) losses realized in income	(383)		(449)	10
Income tax effect	(950)	1,486	(4,867)	(471)
Net change in unrealized gains (losses) on available for sale securities	1,392	(2,167)	7,149	801
Reclassification adjustment for amortization realized in income	99	90	193	179
Income tax effect	(41)	18	(74)	(17)
Net change in post-retirement obligation	58	108	119	162
Change in fair value of derivatives used for cash flow hedges	(661)	117	(2,684)	(698)
Reclassification adjustment for losses realized in income	239	176	489	310
Income tax effect	171	(97)	891	164
Net change in unrealized (loss) gain on cash flow hedges	(251)	196	(1,304)	(224)
Total	$ 1,199	$ (1,863)	$ 5,964	$ 739

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