Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Assets:
Cash and due from banks	$ 87,138	$ 105,968
Cash at Federal Reserve and other banks	95,841	99,460
Cash and cash equivalents	182,979	205,428
Investment securities:
Marketable equity securities	2,890	2,938
Available for sale debt securities	735,895	727,945
Held to maturity debt securities	496,035	514,844
Restricted equity securities	16,956	16,956
Loans held for sale	2,149	4,616
Loans	3,069,733	3,015,165
Allowance for loan losses	(29,973)	(30,323)
Total loans, net	3,039,760	2,984,842
Foreclosed assets, net	1,564	3,226
Premises and equipment, net	58,558	57,742
Cash value of life insurance	98,391	97,783
Accrued interest receivable	12,407	13,772
Goodwill	64,311	64,311
Other intangible assets, net	4,835	5,174
Mortgage servicing rights	6,953	6,687
Other assets	56,274	55,051
Total assets	4,779,957	4,761,315
Deposits:
Noninterest-bearing demand	1,359,996	1,368,218
Interest-bearing	2,724,408	2,640,913
Total deposits	4,084,404	4,009,131
Accrued interest payable	958	930
Reserve for unfunded commitments	3,864	3,164
Other liabilities	63,529	63,258
Other borrowings	65,041	122,166
Junior subordinated debt	56,905	56,858
Total liabilities	4,274,701	4,255,507
Commitments and contingencies (Note 18)
Shareholders' equity:
Preferred stock, no par value: 1,000,000 shares authorized, zero issued and outstanding at March 31, 2018 and December 31, 2017
Common stock, no par value: 50,000,000 shares authorized; issued and outstanding: 22,956,323 at March 31, 2018 22,955,963 at December 31, 2017	256,226	255,836
Retained earnings	266,235	255,200
Accumulated other comprehensive loss, net of tax	(17,205)	(5,228)
Total shareholders' equity	505,256	505,808
Total liabilities and shareholders' equity	$ 4,779,957	$ 4,761,315