CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating Activities
Net income attributable to common shareholders	$ 21,727	$ 14,883
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	100	705
Depreciation expense	3,983	3,538
Amortization of mortgage servicing rights	663	631
(Recovery)/additional impairment of valuation allowance on mortgage servicing rights		50
Securities amortization, net	1,954	2,616
Amortization of purchased intangible assets	800	697
Earnings on cash surrender value of life insurance policies	(852)	(646)
Prepayment penalty on FHLB advance	214
Securities gains, net	(22)	(121)
Gain on loans sold	(3,057)	(3,448)
Loans originated for sale	(106,756)	(116,939)
Proceeds from loan sales	115,512	114,958
Stock based compensation expense	518	477
Stock portion of director retainer fee expense	171	179
(Gain)/Loss on sale and write-down of OREO	182	186
Excess tax benefit related to stock based compensation	(397)
Change in other assets and liabilities	1,482	(8,075)
Net cash provided by operating activities	35,858	9,319
Investing Activities
Net change in short term investments	45	245
Purchases of securities available for sale	(138,244)	(143,309)
Proceeds from calls, maturities, and payments on securities available for sale	58,551	64,011
Proceeds from sales of securities available for sale	55,485	78,123
Loan originations and payments, net	49,849	(35,910)
Purchases of premises and equipment	(4,718)	(9,488)
Proceeds from sale of OREO	1,320	1,616
Proceeds from redemption of restricted stock	251	2,835
Purchase of restricted stock	(2,471)	(3,284)
Cash received/(paid) from business acquisitions, net	2,175	(11,289)
Net cash used by investing activities	22,243	(56,450)
Financing Activities
Net change in deposits	44,601	4,075
Net change in other borrowings	(72,965)	72,583
Proceeds from FHLB advances	38,000	395,000
Repayment of FHLB advances	(60,699)	(427,024)
Proceeds from term debt		30,000
Cash dividends on common stock	(8,206)	(6,868)
Purchase of treasury shares	(367)	(306)
Repayment on term debt	(3,333)
Proceeds from exercise of stock options, including tax benefit	1,044	521
Net cash provided by financing activities	(61,925)	67,981
Net change in cash and cash equivalents	(3,824)	20,850
Cash and cash equivalents, beginning of year	86,552	67,578
Cash and cash equivalents, end of period	82,728	88,428
Supplemental cash flow information
Interest paid	6,959	4,932
Income taxes paid	5,790	2,655
Supplemental non cash disclosure
Loan balances transferred to foreclosed real estate	$ 1,108	$ 983