CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Net income	$ 6,316		$ 6,331		$ 12,031		$ 11,993
Available-for-sale securities:
Net unrealized gains (losses) on available-for-sale securities arising during the period, net of tax of ($2,897), $6,808, ($3,938) and $8,315, respectively	5,381		(12,644)		7,314		(15,443)
Reclassification of gains included in net income, net of tax of $100, $0, $158 and $48, respectively	(185)	[1]	0	[1]	(293)	[1]	(90)	[1]
Net change in unrealized gains (losses) on available-for-sale securities, net of tax	5,196		(12,644)		7,021		(15,533)
Net change in unrealized (losses) gains on cash flow hedging derivatives, net of tax of $437, ($1,236), $1,020 and ($1,694), respectively	(812)		2,296		(1,895)		3,146
Reclassification of amortization of net unrecognized actuarial loss and prior service credit, net of tax of ($12), ($25), ($27) and ($50), respectively	20	[2]	47	[2]	47	[2]	94	[2]
Other comprehensive income (loss)	4,404		(10,301)		5,173		(12,293)
Comprehensive income (loss)	$ 10,720		$ (3,970)		$ 17,204		$ (300)

[1] Reclassified into the consolidated statements of income in net gain on sale of securities.

[2] Reclassified into the consolidated statements of income in salaries and employee benefits.