CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)
Net income	$ 8,819	$ 7,989	$ 17,445	$ 13,954
Change in securities available for sale:
Unrealized holding gain (loss) on securities available for sale arising during the period	(181)	3,914	1,069	3,794
Reclassification adjustment for (gains)/losses included in net income	0	(32)	(3)	166
Reclassification adjustment for other than temporary impairment	449	0	959	121
Net securities gain activity during the period	268	3,882	2,025	4,081
Tax effect	(58)	(1,560)	(804)	(1,573)
Net of tax amount	210	2,322	1,221	2,508
Defined benefit pension plans:
Net gain (loss) on defined benefit pension plans	0	0	110	(233)
Amortization of net actuarial loss	66	37	110	72
Net gain/(loss) activity during the period	66	37	220	(161)
Tax effect	(26)	(16)	(89)	65
Net of tax amount	40	21	131	(96)
Total other comprehensive income, net of tax	250	2,343	1,352	2,412
Comprehensive income	$ 9,069	$ 10,332	$ 18,797	$ 16,366