CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income	$ 8,438	$ 6,800
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	900	1,500
Depreciation of premises and equipment	783	767
Foreclosed and repossessed property valuation adjustments	119	155
Net amortization of premium and discount	522	373
Net amortization of intangibles	187	238
Share-based compensation	412	327
Income from bank-owned life insurance	(486)	(476)
Net gains on loan sales and commissions on loans originated for others	(3,097)	(525)
Net realized losses on securities	0	29
Net impairment losses recognized in earnings	209	33
Net gains on interest rate swap contracts	(28)	(76)
Equity in losses of unconsolidated subsidiaries	37	144
Proceeds from sales of loans	110,632	32,066
Loans originated for sale	(97,682)	(20,267)
(Increase) decrease in other assets	(18)	2,925
Decrease in other liabilities	(6,488)	(3,103)
Net cash provided by operating activities	14,440	20,910
Cash flows from investing activities:
Purchases of mortgage-backed securities available for sale	0	(49,675)
Proceeds from sale of mortgage-backed securities available for sale	0	36,838
Proceeds from sale of other investment securities available for sale	2,000	0
Maturities and principal payments of mortgage-backed securities available for sale	29,508	30,519
Maturities and principal payments of other investment securities available for sale	681	0
Maturities and principal payments of mortgage-backed securities held to maturity	2,525	0
Sale of Federal Home Loan Bank stock	1,590	0
Net increase in loans	(13,573)	(33,606)
Purchases of loans, including purchased interest	(1,278)	(1,710)
Proceeds from the sale of property acquired through foreclosure or repossession	517	251
Purchases of premises and equipment	(1,652)	(713)
Net cash provided by (used in) investing activities	20,318	(18,096)
Cash flows from financing activities:
Net increase in deposits	19,247	12,517
Net decrease in other borrowings	(18,939)	(1,892)
Proceeds from Federal Home Loan Bank advances	135,429	43,578
Repayment of Federal Home Loan Bank advances	(170,946)	(73,065)
Proceeds from the issuance of common stock under dividend reinvestment plan	0	235
Proceeds from the exercise of stock options and issuance of other compensation-related equity instruments	937	819
Tax benefit from stock option exercises and issuance of other compensation-related equity instruments	109	81
Cash dividends paid	(3,604)	(3,414)
Net cash used in financing activities	(37,767)	(21,141)
Net decrease in cash and cash equivalents	(3,009)	(18,327)
Cash and cash equivalents at beginning of period	87,020	92,736
Cash and cash equivalents at end of period	84,011	74,409
Noncash Investing and Financing Activities:
Loans charged off	681	1,052
Loans transferred to property acquired through foreclosure or repossession	1,519	129
Supplemental Disclosures:
Interest payments	7,957	9,190
Income tax payments (refunds)	$ 440	$ (584)