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OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized holding gains (losses) on available for sale securities	$ 517	$ (3,173)	$ 4,728	$ 9,292
Reclassification adjustment for gains realized in income	(260)	0	(260)	(449)
Income tax effect	(105)	1,287	(1,773)	(3,580)
Net change in unrealized gains (losses) on available for sale securities	152	(1,886)	2,695	5,263
Reclassification adjustment for amortization realized in income	112	95	339	288
Income tax effect	(45)	(38)	(109)	(112)
Net change in post-retirement obligation	67	57	230	176
Change in fair value of derivatives used for cash flow hedges	144	764	(1,216)	(1,920)
Reclassification adjustment for losses realized in income	369	236	1,103	725
Income tax effect	(210)	(405)	43	486
Net change in unrealized gains (losses) on cash flow hedges	303	595	(70)	(709)
Other comprehensive income (loss)	$ 522	$ (1,234)	$ 2,855	$ 4,730

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