CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net income	$ 17,151	$ 14,365
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	1,500	2,700
Depreciation of premises and equipment	1,584	1,540
Foreclosed and repossessed property valuation adjustments	171	392
Net gain on sale of bank property	(348)	(203)
Net amortization of premium and discount	1,113	664
Net amortization of intangibles	373	475
Share-based compensation	876	680
Income from bank-owned life insurance	(963)	(958)
Net gains on loan sales and commissions on loans originated for others	(6,112)	(1,062)
Net realized (gains) losses on securities	(299)	(197)
Net impairment losses recognized in earnings	209	33
Net gains on interest rate swap contracts	(24)	(41)
Equity in (earnings) losses of unconsolidated subsidiaries	(87)	289
Proceeds from sales of loans	213,852	52,714
Loans originated for sale	(198,824)	(46,587)
(Increase) decrease in other assets	(3,108)	2,291
Decrease in other liabilities	(2,932)	(5,888)
Net cash provided by operating activities	24,132	21,207
Cash flows from investing activities:
Purchases of mortgage-backed securities available for sale	0	(90,855)
Proceeds from sale of mortgage-backed securities available for sale	6,247	42,783
Proceeds from sale of other investment securities available for sale	6,338	1,000
Maturities and principal payments of mortgage-backed securities available for sale	57,196	54,494
Maturities and principal payments of other investment securities available for sale	681	0
Maturities and principal payments of mortgage-backed securities held to maturity	4,842	0
Remittance of Federal Home Loan Bank stock	1,590	0
Net increase in loans	(76,517)	(60,274)
Purchases of loans, including purchased interest	(3,047)	(3,116)
Proceeds from the sale of property acquired through foreclosure or repossession	1,883	1,675
Purchases of premises and equipment	(3,453)	(1,239)
Net proceeds from the sale of bank property	1,571	1,279
Equity investments in real estate limited partnerships	0	(294)
Net cash used in investing activities	(2,669)	(54,547)
Cash flows from financing activities:
Net increase (decrease) in deposits	4,138	(40,287)
Net decrease in other borrowings	(19,277)	(1,354)
Proceeds from Federal Home Loan Bank advances	362,930	248,078
Repayment of Federal Home Loan Bank advances	(379,391)	(188,360)
Proceeds from the issuance of common stock under dividend reinvestment plan	0	484
Proceeds from the exercise of stock options and issuance of other compensation-related equity instruments	1,007	725
Tax benefit from stock option exercises and issuance of other compensation-related equity instruments	113	68
Cash dividends paid	(7,388)	(7,005)
Net cash (used in) provided by financing activities	(37,868)	12,349
Net decrease in cash and cash equivalents	(16,405)	(20,991)
Cash and cash equivalents at beginning of period	87,020	92,736
Cash and cash equivalents at end of period	70,615	71,745
Noncash Investing and Financing Activities:
Loans charged off	1,377	2,096
Loans transferred to property acquired through foreclosure or repossession	1,810	801
Securities proceeds due from broker	760	0
Supplemental Disclosures:
Interest payments	15,602	18,710
Income tax payments	$ 7,744	$ 5,836