OTHER COMPREHENSIVE INCOME (LOSS) (Details 2) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Amounts Reclassified from AOCI
Realized gains (losses) on sale of available for sale securities			$ 449	$ (10)
Income before income taxes	$ 13,514	$ 12,138	40,302	19,747
Income tax (expense) benefit	(4,663)	(4,248)	(13,971)	(6,631)
Net income	8,851	7,890	26,331	13,116
Amount Reclassified from Accumulated Other Comprehensive Income
Amounts Reclassified from AOCI
Income before income taxes	(331)	(266)	(564)	(763)
Income tax (expense) benefit	134	108	229	309
Net income	(197)	(158)	(335)	(454)
Amount Reclassified from Accumulated Other Comprehensive Income \| Net securities gains (losses)
Amounts Reclassified from AOCI
Realized gains (losses) on sale of available for sale securities			449	(10)
Amount Reclassified from Accumulated Other Comprehensive Income \| Amortization of defined benefit pension plan and the defined benefit plan component of the SERP
Amounts Reclassified from AOCI
Prior service cost	20	19	58	58
Transition obligation	(7)	(7)	(21)	(21)
Actuarial losses	(108)	(103)	(325)	(305)
Amount Reclassified from Accumulated Other Comprehensive Income \| Realized losses on cash flow hedges
Amounts Reclassified from AOCI
Realized gains (losses) on sale of available for sale securities	$ (236)	$ (175)	$ (725)	$ (485)

The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

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