CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating Activities
Net income	$ 26,434	$ 22,436
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	800	1,500
Depreciation expense	4,733	4,375
Securities amortization, net	2,332	1,417
Stock based compensation expense	633	551
Stock portion of director retainer fee expense	230	270
Amortization of purchased intangible assets	1,270	1,253
Amortization of mortgage servicing rights	1,034	750
Recovery of valuation allowance on mortgage servicing rights	(175)	(50)
Earnings on cash surrender value of life insurance policies	(931)	(978)
Gain on life insurance benefit	(307)
Securities gains/ losses, net	(360)	4
Loss on sale and write-down of OREO	63	47
Gain on loans sold	(4,381)	(2,914)
Loans originated for sale	(183,802)	(115,118)
Proceeds from loan sales	191,644	119,252
Prepayment penalty on FHLB advance	2,364
Change in other assets and liabilities	2,072	2,192
Net cash provided by operating activities	43,653	34,987
Investing Activities
Net change in short term investments	(45)	(1,915)
Purchases of securities available for sale	(284,755)	(35,236)
Proceeds from calls, maturities, and payments on securities available for sale	104,182	78,891
Proceeds from sales of securities available for sale	139,547	21,972
Proceeds from sale of OREO	1,352	3,002
Proceeds from life insurance benefit	1,094	588
Loan originations and payment, net	(101,145)	(87,977)
Purchases of premises and equipment	(5,543)	(3,575)
Proceeds from sale of portfolio loans	11,356
Cash received for branch acquisition, net	57,083
Proceeds from redemption of FHLB stock	2,784	4
Net cash (used) by investing activities	(74,090)	(24,246)
Financing Activities
Net change in deposits	40,251	21,071
Net change in short term borrowings	13,090	(4,104)
Repayment of FHLB advances	(546,361)	(722,515)
Proceeds from FHLB advances	585,000	715,000
Proceeds from exercise of stock options, including tax benefit	264	60
Purchase of treasury shares	(3,280)	(319)
Repayment of subordinated debentures, net		(5,000)
Cash dividends on common stock	(8,659)	(6,340)
Net cash provided/(used) by financing activities	80,305	(2,147)
Net change in cash and cash equivalents	49,868	8,594
Cash and cash equivalents, beginning of year	62,485	61,320
Cash and cash equivalents, end of period	112,353	69,914
Supplemental cash flow information
Interest paid	6,233	6,669
Income taxes paid	3,285	2,405
Supplemental non cash disclosure
Loan balances transferred to loans held for sale	11,356
Loan balances transferred to foreclosed real estate	$ 1,164	$ 2,119