CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net income	$ 26,364	$ 26,051
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	2,000	2,100
Depreciation of premises and equipment	2,489	2,370
Foreclosed and repossessed property valuation adjustments	79	298
Net gain on sale of bank property	0	(358)
Net amortization of premium and discount	1,196	1,679
Net amortization of intangibles	516	555
Share-based compensation	1,377	1,404
Income from bank-owned life insurance	(1,392)	(1,969)
Net gains on loan sales and commissions on loans originated for others	(11,534)	(9,616)
Net realized gains on securities	0	(299)
Net impairment losses recognized in earnings	2,772	209
Net losses (gains) on interest rate swap contracts	(225)	(87)
Equity in (earnings) losses of unconsolidated subsidiaries	65	(114)
Proceeds from sales of loans	356,932	336,919
Loans originated for sale	(313,227)	(344,532)
Decrease (increase) in other assets	12,388	(7,567)
Decrease (increase) in other liabilities	(13,769)	1,711
Net cash provided (used in) by operating activities	66,031	8,754
Cash flows from investing activities:
Purchases of mortgage-backed securities available for sale	(66,569)	0
Purchases of other investment securities available for sale	(25,404)	0
Proceeds from sale of mortgage-backed securities available for sale	0	6,247
Proceeds from sale of other investment securities available for sale	2,660	6,338
Maturities and principal payments of mortgage-backed securities available for sale	64,270	85,059
Maturities and principal payments of other investment securities available for sale	3,890	911
Maturities and principal payments of mortgage-backed securities held to maturity	8,704	8,138
Remittance of Federal Home Loan Bank stock	2,688	1,590
Net increase in loans	(100,655)	(103,402)
Proceeds from the sale of portfolio loans	49,588	0
Purchases of loans, including purchased interest	(9,103)	(5,007)
Proceeds from the sale of property acquired through foreclosure or repossession	2,142	3,146
Purchases of premises and equipment	(1,178)	(4,513)
Net proceeds from the sale of bank property	0	1,571
Proceeds from bank-owed life insurance	0	1,419
Net cash provided by (used in) investing activities	(68,967)	1,497
Cash flows from financing activities:
Net increase (decrease) in deposits	142,200	108,344
Net decrease in other borrowings	(415)	(19,529)
Proceeds from Federal Home Loan Bank advances	204,000	472,930
Repayment of Federal Home Loan Bank advances	(276,687)	(595,705)
Proceeds from the exercise of stock options and issuance of other compensation-related equity instruments	3,287	1,251
Tax benefit from stock option exercises and issuance of other compensation-related equity instruments	432	149
Redemption of junior subordibated debentures	(10,310)	0
Cash dividends paid	(12,293)	(11,177)
Net cash provided by (used in) financing activities	50,214	(43,737)
Net increase (decrease) in cash and cash equivalents	47,278	(33,486)
Cash and cash equivalents at beginning of period	92,650	87,020
Cash and cash equivalents at end of period	139,928	53,534
Noncash Investing and Financing Activities:
Loans charged off	5,319	1,801
Loans transferred to property acquired through foreclosure or repossession	1,073	3,255
Supplemental Disclosures:
Interest payments	18,401	22,869
Income tax payments	$ 11,528	$ 12,729