CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013		Jun. 30, 2012
Net income	$ 9,236	$ 8,819	$ 18,482		$ 17,445
Change in securities available for sale:
Unrealized holding gain (loss) on securities available for sale arising during the period	(9,358)	(181)	(10,399)		1,069
Reclassification adjustment for (gains) included in net income	0	0	(1)		(3)
Reclassification adjustment for other than temporary impairment	0	449	0		959
Net securities gain (loss) activity during the period	(9,358)	268	(10,400)		2,025
Tax effect	3,705	(58)	4,104		(804)
Net of tax amount	(5,653)	210	(6,296)		1,221
Defined benefit pension plans:
Net gain (loss) on defined benefit pension plans	0	0	(151)		110
Amortization of net actuarial loss	66	66	121		110
Net gain (loss) activity during the period	66	66	(30)		220
Tax effect	(26)	(26)	12		(89)
Net of tax amount	40	40	(18)		131
Total other comprehensive income (loss), net of tax	(5,613)	250	(6,314)	[1]	1,352
Comprehensive income	$ 3,623	$ 9,069	$ 12,168		$ 18,797

[1] All amounts are net of tax. Amounts in parenthesis indicate debits.