Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 24,373	$ 22,417
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,605	3,524
Loss on sale of other real estate owned	304	788
Provision for loan losses	14,550	17,700
Deferred tax (benefit) expense	(1,942)	798
Stock based compensation expense	111	133
Net loss on sale of bank premises and equipment	0	39
Net gain on sales and calls of securities	(1,296)	(2,475)
Decrease (increase) in taxes receivable..	4,618	(10,944)
Decrease in interest receivable	323	437
Decrease in interest payable	(303)	(494)
Decrease in other assets	7,524	2,226
Increase in due to broker	10,000	0
Increase (decrease) in accrued expenses and other liabilities	150	(866)
Total adjustments	37,644	10,866
Net cash provided by operating activities	62,017	33,283
Cash flows from investing activities:
Proceeds from sales and calls of securities available for sale	916,106	837,555
Proceeds from calls and maturities of held to maturity securities	68,489	169,320
Purchases of securities available for sale	(1,019,583)	(873,215)
Proceeds from maturities of securities available for sale	13,185	13,217
Purchases of held to maturity securities	(70,935)	0
Net increase in loans	(141,166)	(87,007)
Proceeds from dispositions of other real estate owned	6,914	9,477
Purchases of bank premises and equipment	(2,919)	(2,932)
Net cash (used in) provided by investing activities	(229,909)	66,415
Cash flows from financing activities:
Net increase in deposits	126,440	128,184
Net increase in short-term borrowings	18,466	9,046
Proceeds from sale of treasury stock	2,190	2,101
Proceeds from common stock offering	67,578	0
Dividends paid	(15,207)	(14,393)
Net cash provided by financing activities	199,467	124,938
Net increase in cash and cash equivalents	31,575	224,636
Cash and cash equivalents at beginning of period	444,250	145,894
Cash and cash equivalents at end of period	475,825	370,530
Cash paid during the year for:
Interest paid	20,470	27,815
Income taxes paid	8,805	22,317
Other non cash items:
Transfer of loans to other real estate owned	8,803	5,955
Increase in dividends payable	1,052	262
Change in unrealized gain on securities available for sale-gross of deferred taxes	7,413	9,446
Change in deferred tax effect on unrealized gain on securities available for sale	(2,956)	(3,767)
Amortization of prior service cost on pension and post retirement plans	(133)	(303)
Change in deferred tax effect of amortization of prior service cost	$ 53	$ 121