CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating Activities
Net income	$ 12,073	$ 8,766
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses		500
Depreciation expense	931	1,709
Amortization of mortgage servicing rights	341	286
Securities amortization, net	955	1,170
Amortization of purchased intangible assets	304	328
Earnings on cash surrender value of life insurance policies	(405)	(302)
Securities gains, net	(13)	(17)
Gain on loans sold	(1,417)	(1,413)
Loans originated for sale	(47,958)	(42,816)
Proceeds from loan sales	57,484	46,248
Stock based compensation expense	259	197
Stock portion of director retainer fee expense	100	89
(Gain)/Loss on sale and write-down of OREO	122	149
Change in other assets and liabilities	900	(4,887)
Net cash provided by operating activities	23,432	9,709
Investing Activities
Net change in short term investments	290	245
Purchases of securities available for sale	(47,392)	(35,903)
Proceeds from calls, maturities, and payments on securities available for sale	30,157	28,317
Proceeds from sales of securities available for sale	3,100	4,235
Loan originations and payments, net	36,492	(6,583)
Purchases of premises and equipment	(896)	(3,116)
Proceeds from sale of OREO	655	735
Proceeds from redemption of restricted stock	204
Purchase of restricted stock	(2,471)	(3,283)
Cash received/(paid) from business acquisitions, net	(1,400)
Net cash used by investing activities	18,739	(15,353)
Financing Activities
Net change in deposits	44,266	(5,931)
Net change in other borrowings	(70,808)	2,796
Proceeds from FHLB advances		260,000
Repayment of FHLB advances	(19,921)	(243,931)
Cash dividends on common stock	(3,862)	(3,241)
Purchase of treasury shares	(242)	(95)
Repayment on term debt	(1,667)
Proceeds from exercise of stock options, including tax benefit	998	470
Net cash provided by financing activities	(51,236)	10,068
Net change in cash and cash equivalents	(9,065)	4,424
Cash and cash equivalents, beginning of year	86,552	67,578
Cash and cash equivalents, end of period	77,487	72,002
Supplemental cash flow information
Interest paid	3,168	2,368
Income taxes paid		851
Supplemental non cash disclosure
Loan balances transferred to foreclosed real estate	$ 441	$ 537