CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income	$ 29,633	$ 26,364
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	1,350	2,000
Depreciation of premises and equipment	2,350	2,489
Foreclosed and repossessed property valuation adjustments	57	79
Net amortization of premium and discount	672	1,196
Net amortization of intangibles	489	516
Share-based compensation	1,433	1,377
Income from bank-owned life insurance	(1,354)	(1,392)
Net gain on sale of business line	(6,265)	0
Net gains on loan sales and commissions on loans originated for others	(4,688)	(11,534)
Net impairment losses recognized in earnings	0	2,772
Net losses (gains) on interest rate swap contracts	(562)	(225)
Equity in earnings (losses) of unconsolidated subsidiaries	213	65
Proceeds from sales of loans	176,389	356,932
Loans originated for sale	(196,322)	(313,227)
Decrease (increase) in other assets	(3,082)	12,388
Decrease (increase) in other liabilities	(56)	(13,769)
Net cash provided (used in) by operating activities	257	66,031
Cash flows from investing activities:
Purchases of mortgage-backed securities available for sale	(53,051)	(66,569)
Purchases of other investment securities available for sale	(31,009)	(25,404)
Proceeds from sale of other investment securities available for sale	547	0
Maturities and principal payments of mortgage-backed securities available for sale	63,938	64,270
Maturities and principal payments of other investment securities available for sale	38,137	6,550
Maturities and principal payments of mortgage-backed securities held to maturity	3,248	8,704
Remittance of Federal Home Loan Bank stock	0	2,688
Net proceeds from sale of business line	6,305	0
Proceeds received and deferred in connection with sale of business line	900	0
Net increase in loans	(205,877)	(100,655)
Proceeds from sale of portfolio loans	1,200	49,588
Purchases of loans, including purchased interest	(7,065)	(9,103)
Proceeds from the sale of property acquired through foreclosure or repossession	1,630	2,142
Purchases of premises and equipment	(3,315)	(1,178)
Purchases of bank-owned life insurance	(5,000)	0
Net cash provided by (used in) investing activities	(189,412)	(68,967)
Cash flows from financing activities:
Net increase (decrease) in deposits	233,567	142,200
Net increase (decrease) in other borrowings	(33)	(415)
Proceeds from Federal Home Loan Bank advances	259,000	204,000
Repayment of Federal Home Loan Bank advances	(285,397)	(276,687)
Proceeds from the exercise of stock options and issuance of other compensation-related equity instruments	592	3,287
Tax benefit from stock option exercises and issuance of other compensation-related equity instruments	460	432
Redemption of junior subordinated debentures	0	(10,310)
Cash dividends paid	(14,350)	(12,293)
Net cash provided by (used in) financing activities	193,839	50,214
Net increase (decrease) in cash and cash equivalents	4,684	47,278
Cash and cash equivalents at beginning of period	85,317	92,650
Cash and cash equivalents at end of period	90,001	139,928
Noncash Investing and Financing Activities:
Loans charged off	1,638	5,319
Loans transferred to property acquired through foreclosure or repossession	1,659	1,073
Supplemental Disclosures:
Interest payments	15,779	18,401
Income tax payments	$ 12,734	$ 11,528