Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 7,922	$ 6,383
Adjustments to reconcile net income to net cash provided by operating activities:
Net gain on sales of investments	(362)	(1,027)
Net gain on sale of loans	(95)
Provision for loan losses	2,400	3,025
Deferred income taxes	(875)	(1,050)
Net depreciation and amortization	2,626	2,487
(Increase) decrease in accrued interest receivable	(453)	30
Increase in other assets	(8,572)	(5,889)
Increase (decrease) in other liabilities	235	(314)
Net cash provided by operating activities	2,826	3,645
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities of short-term investments	41,192	43,518
Purchase of short-term investments	(21,365)	(165,999)
Proceeds from maturities of securities available-for-sale	250,729	322,556
Proceeds from sales of securities available-for-sale	20,516	34,625
Purchase of securities available-for-sale	(434,375)	(452,239)
Proceeds from maturities of securities held-to-maturity	33,546	101,982
Purchase of securities held-to-maturity		(63,342)
Proceeds from sales of loans	7,318
Net (increase) decrease in loans	(64,601)	7,753
Capital expenditures	(1,510)	(1,541)
Net cash used in investing activities	(168,550)	(172,687)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in time deposits	90,070	63,912
Net increase in demand, savings, money market and NOW deposits	64,113	62,537
Net proceeds from exercise of stock options	6
Cash dividends	(1,091)	(1,085)
Net increase in securities sold under agreements to repurchase	380	5,335
Net decrease in other borrowed funds	(8,975)	(4,030)
Net cash provided by financing activities	144,503	126,669
Net decrease in cash and cash equivalents	(21,221)	(42,373)
Cash and cash equivalents at beginning of period	188,552	398,642
Cash and cash equivalents at end of period	167,331	356,269
Cash paid during the period for:
Interest	11,704	13,126
Income taxes	1,785	2,532
Change in unrealized gains on securities available-for-sale, net of taxes	3,290	4,762
Pension liability adjustment, net of taxes	$ 190	$ 244