CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Net income	$ 6,451		$ 6,366		$ 18,482		$ 18,359
Available-for-sale securities:
Net unrealized gains (losses) on available-for-sale securities arising during the period, net of tax of $1,189, $1,111, ($2,749) and $9,426, respectively	(2,208)		(2,063)		5,106		(17,506)
Reclassification of gains included in net income, net of tax of $0, $227, $158 and $275, respectively	0	[1]	(420)	[1]	(293)	[1]	(510)	[1]
Net change in unrealized gains (losses) on available-for-sale securities, net of tax	(2,208)		(2,483)		4,813		(18,016)
Net change in unrealized (losses) gains on cash flow hedging derivatives, net of tax of $50, ($239), $1,070 and ($1,933), respectively	(93)		445		(1,988)		3,591
Reclassification of amortization of net unrecognized actuarial loss and prior service credit, net of tax of ($13), ($25), ($40) and ($75), respectively	24	[2]	47	[2]	71	[2]	141	[2]
Other comprehensive income (loss)	(2,277)		(1,991)		2,896		(14,284)
Comprehensive income	$ 4,174		$ 4,375		$ 21,378		$ 4,075

[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.