CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 7,421	$ 8,438
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	600	900
Depreciation of premises and equipment	847	783
Foreclosed and repossessed property valuation adjustments	20	119
Net amortization of premium and discount	460	522
Net amortization of intangibles	173	187
Share-based compensation	581	412
Income from bank-owned life insurance	(467)	(486)
Net gains on loan sales and commissions on loans originated for others	(4,166)	(3,097)
Net impairment losses recognized in earnings	2,772	209
Net (gains) losses on interest rate swap contracts	(19)	(28)
Equity in (earnings) losses of unconsolidated subsidiaries	(39)	37
Proceeds from sales of loans	138,729	110,632
Loans originated for sale	(114,244)	(97,682)
(Increase) decrease in other assets	2,050	(18)
Decrease in other liabilities	(10,945)	(6,488)
Net cash provided by operating activities	23,773	14,440
Cash flows from investing activities:
Purchases of mortgage-backed securities available for sale	(1,036)	0
Payments to Acquire Available-for-sale Securities	(203)	0
Maturities and principal payments of mortgage-backed securities available for sale	23,934	31,508
Maturities and principal payments of other investment securities available for sale	690	681
Maturities and principal payments of mortgage-backed securities held to maturity	3,328	2,525
Remittance of Federal Home Loan Bank stock	2,688	1,590
Net increase in loans	(26,102)	(13,573)
Purchases of loans, including purchased interest	(3,442)	(1,278)
Proceeds from the sale of property acquired through foreclosure or repossession	460	517
Purchases of premises and equipment	(427)	(1,652)
Net cash provided by (used in) investing activities	(110)	20,318
Cash flows from financing activities:
Net increase in deposits	7,010	19,247
Net decrease in other borrowings	(1,003)	(18,939)
Proceeds from Federal Home Loan Bank advances	100,000	135,429
Repayment of Federal Home Loan Bank advances	(119,954)	(170,946)
Proceeds from the exercise of stock options and issuance of other compensation-related equity instruments	555	937
Tax benefit from stock option exercises and issuance of other compensation-related equity instruments	76	109
Cash dividends paid	(3,963)	(3,604)
Net cash (used in) provided by financing activities	(17,279)	(37,767)
Net decrease in cash and cash equivalents	6,384	(3,009)
Cash and cash equivalents at beginning of period	92,650	87,020
Cash and cash equivalents at end of period	99,034	84,011
Noncash Investing and Financing Activities:
Loans charged off	374	681
Loans transferred to property acquired through foreclosure or repossession	1,050	1,519
Supplemental Disclosures:
Interest payments	6,260	7,957
Income tax payments	$ 103	$ 440