CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net income	$ 10,842	$ 1,766	$ 31,743	$ 10,542
Unrealized gains and losses on securities available-for-sale:
Unrealized holding (losses) gains on available-for-sale securities	108	(1,171)	(1,196)	5,656
Tax effect	(39)	584	485	(1,882)
Net of tax amount	69	(587)	(711)	3,774
Reclassification adjustment for realized gains arising during this period	(2,067)	(111)	(2,793)	(2,100)
Tax effect	794	42	1,091	601
Net of tax amount	(1,273)	(69)	(1,702)	(1,499)
Amortization of unrealized holding losses on securities transferred from available-for-sale to held-to-maturity	37	57	165	156
Tax effect	(15)	(24)	(67)	(67)
Net of tax amount	22	33	98	89
Unrealized losses on cash flow hedges	(855)		(1,153)
Tax effect	349		471
Net of tax amount	(506)		(682)
Pension plan:
Actuarial gains	183		1,186	1,281
Tax effect	(75)		(485)	(523)
Net of tax amount	108		701	758
Total other comprehensive (loss) income	(1,580)	(623)	(2,296)	3,122
Total comprehensive income	$ 9,262	$ 1,143	$ 29,447	$ 13,664