Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets:
Cash and due from banks	$ 86,815	$ 92,197
Cash at Federal Reserve and other banks	101,219	213,415
Cash and cash equivalents	188,034	305,612
Investment securities:
Available for sale	678,236	550,233
Held to maturity	536,567	602,536
Restricted equity securities	16,956	16,956
Loans held for sale	2,733	2,998
Total loans, net of unamortized deferred loan fees and discounts	2,931,613	2,759,593
Allowance for loan losses	(28,747)	(32,503)
Total loans, net	2,902,866	2,727,090
Foreclosed assets, net	3,071	3,986
Premises and equipment, net	54,995	48,406
Cash value of life insurance	97,142	95,912
Accrued interest receivable	12,656	12,027
Goodwill	64,311	64,311
Other intangible assets, net	5,513	6,563
Mortgage servicing rights	6,419	6,595
Other assets	86,936	74,743
Total assets	4,656,435	4,517,968
Deposits:
Noninterest-bearing demand	1,283,949	1,275,745
Interest-bearing	2,643,507	2,619,815
Total deposits	3,927,456	3,895,560
Accrued interest payable	867	818
Reserve for unfunded commitments	2,989	2,719
Other liabilities	62,850	67,364
Other borrowings	98,730	17,493
Junior subordinated debt	56,810	56,667
Total liabilities	4,149,702	4,040,621
Commitments and contingencies (Note 18)
Shareholders' equity:
Common stock, no par value: 50,000,000 shares authorized; issued and outstanding: 22,941,464 at September 30, 2017 22,867,802 at December 31, 2016	255,231	252,820
Retained earnings	256,114	232,440
Accumulated other comprehensive loss, net of tax	(4,612)	(7,913)
Total shareholders' equity	506,733	477,347
Total liabilities and shareholders' equity	$ 4,656,435	$ 4,517,968