CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Unrealized holding losses on securities available-for-sale arising during period, tax effects	$ (2,897)	$ 6,808	$ (3,938)	$ 8,315
Reclassification adjustment for gains included in net income, tax effect	100	0	158	48
Unrealized gain on cash flow hedging derivatives, tax effect	437	(1,236)	1,020	(1,694)
Net actuarial gain arising during period, tax effect	$ (12)	$ (25)	$ (27)	$ (50)