Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Assets:
Cash and due from banks	$ 82,610	$ 94,305
Cash at Federal Reserve and other banks	232,478	209,156
Cash and cash equivalents	315,088	303,461
Investment securities:
Available for sale	510,209	404,885
Held to maturity	641,149	726,530
Restricted equity securities	16,956	16,956
Loans held for sale	7,777	1,873
Loans	2,712,226	2,522,937
Allowance for loan losses	(33,484)	(36,011)
Total loans, net	2,678,742	2,486,926
Foreclosed assets, net	4,124	5,369
Premises and equipment, net	49,448	43,811
Cash value of life insurance	95,281	94,560
Accrued interest receivable	10,819	10,786
Goodwill	64,311	63,462
Other intangible assets, net	6,923	5,894
Mortgage servicing rights	6,208	7,618
Other assets	60,096	48,591
Total assets	4,467,131	4,220,722
Deposits:
Noninterest-bearing demand	1,221,503	1,155,695
Interest-bearing	2,614,509	2,475,571
Total deposits	3,836,012	3,631,266
Accrued interest payable	774	774
Reserve for unfunded commitments	2,908	2,475
Other liabilities	69,695	65,293
Other borrowings	19,235	12,328
Junior subordinated debt	56,617	56,470
Total liabilities	3,985,241	3,768,606
Commitments and contingencies (Note 18)
Shareholders' equity:
Common stock, no par value: 50,000,000 shares authorized; issued and outstanding: 22,827,277 at September 30, 2016 22,775,173 at December 31, 2015	250,290	247,587
Retained earnings	226,647	206,307
Accumulated other comprehensive income (loss), net of tax	4,953	(1,778)
Total shareholders' equity	481,890	452,116
Total liabilities and shareholders' equity	$ 4,467,131	$ 4,220,722