CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities:
Net income	$ 32,553	$ 29,052
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,422	5,415
Provision (credit) for loan and lease losses	3,521	(1,016)
Share based compensation expense	1,450	1,101
Deferred income tax expense	1,412	1,119
Origination of loans held for sale	(150,686)	(90,531)
Proceeds from sales of loans held for sale	153,020	93,554
Gains on sales of loans held for sale	(2,240)	(1,314)
Loss on sales of other real estate owned	224	162
Investment securities gains	(20)	(8)
Net (increase) decrease in accrued interest receivable	(468)	255
Net (increase) decrease in other assets	(2,772)	(7,319)
Net increase (decrease) in accrued expenses and other liabilities	(176)	7,683
Other - net	3,063	3,256
Net cash provided by operating activities	44,303	41,409
Investing activities:
Purchases of investments held-to-maturity	(2,100)	0
Proceeds from sales of investment available-for-sale	3,289	3,615
Proceeds from maturities, calls and principal payments of investments held-to-maturity	4,791	2,293
Proceeds from maturities, calls and principal payments of investments available-for-sale	66,727	67,700
Net increase in loans and leases	(288,233)	(192,794)
Proceeds from the sales of other real estate owned	1,855	465
Expenditures for premises and equipment	(6,739)	(3,547)
Net cash used in investing activities	(220,410)	(122,268)
Financing activities:
Net increase (decrease) in deposits	209,159	151,563
Net increase (decrease) in retail repurchase agreements and federal funds purchased	46,946	17,542
Proceeds from advances from FHLB	1,649,000	1,330,000
Repayment of advances from FHLB	(1,694,000)	(1,387,000)
Proceeds from issuance of common stock	581	440
Repurchase of common stock	(18,869)	0
Dividends paid	(16,496)	(14,154)
Net cash provided by financing activities	176,321	98,391
Net increase (decrease) in cash and cash equivalents	214	17,532
Cash and cash equivalents at beginning of period	96,217	74,427
Cash and cash equivalents at end of period	96,431	91,959
Supplemental Disclosures:
Interest payments	14,779	15,031
Income tax payments	14,825	12,470
Transfers from loans to other real estate owned	$ 1,524	$ 2,353