Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets:
Cash and due from banks	$ 76,915	$ 81,086
Cash at Federal Reserve and other banks	521,453	667,813
Cash and cash equivalents	598,368	748,899
Investment securities:
Available for sale	104,647	163,027
Held to maturity	240,504	0
Restricted equity securities	9,163	9,647
Loans held for sale	2,270	12,053
Loans	1,672,007	1,564,823
Allowance for loan losses	(38,245)	(42,648)
Total loans, net	1,633,762	1,522,175
Foreclosed assets, net	6,262	7,498
Premises and equipment, net	31,612	26,985
Cash value of life insurance	52,309	50,582
Accrued interest receivable	6,516	6,636
Goodwill	15,519	15,519
Other intangible assets, net	883	1,092
Mortgage servicing rights	6,165	4,552
Indemnification asset	206	1,997
Other assets	35,880	38,607
Total assets	2,744,066	2,609,269
Deposits:
Noninterest-bearing demand	789,458	684,833
Interest-bearing	1,621,025	1,604,869
Total deposits	2,410,483	2,289,702
Accrued interest payable	938	1,036
Reserve for unfunded commitments	2,415	3,615
Other liabilities	31,711	35,122
Other borrowings	6,335	9,197
Junior subordinated debt	41,238	41,238
Total liabilities	2,493,120	2,379,910
Commitments and contingencies (Note 18)
Shareholders' equity:
Common stock, no par value: 50,000,000 shares authorized; issued and outstanding: 16,076,662 at December 31, 2013 16,000,838 at December 31, 2012	89,356	85,561
Retained earnings	159,733	141,639
Accumulated other comprehensive income, net of tax	1,857	2,159
Total shareholders' equity	250,946	229,359
Total liabilities and shareholders' equity	$ 2,744,066	$ 2,609,269