Consolidated Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Assets:
Cash and due from banks	$ 117,457	$ 119,412
Money market instruments	122,541	30,047
Cash and cash equivalents	239,998	149,459
Investment securities:
Securities available-for-sale, at fair value (amortized cost of $1,203,988 and $1,436,714 at September 30, 2016 and December 31, 2015, respectively)	1,224,849	1,436,266
Securities held-to-maturity, at amortized cost (fair value of $200,538 and $151,428 at September 30, 2016 and December 31, 2015, respectively)	195,095	149,302
Other investment securities	58,311	58,311
Total investment securities	1,478,255	1,643,879
Loans	5,187,004	5,068,085
Allowance for loan losses	(53,562)	(56,494)
Net loans	5,133,442	5,011,591
Bank owned life insurance	184,181	181,684
Prepaid assets	87,973	80,635
Goodwill	72,334	72,334
Premises and equipment, net	58,361	59,493
Affordable housing tax credit investments	54,757	51,247
Other real estate owned	14,941	18,651
Interest Receivable	17,951	18,675
Mortgage loan servicing rights	8,745	9,008
Other	13,154	14,698
Total assets	7,364,092	7,311,354
Liabilities and Shareholders' Equity:
Noninterest bearing	1,429,024	1,404,032
Interest bearing	4,090,635	3,943,610
Total deposits	5,519,659	5,347,642
Short-term borrowings	218,214	394,242
Long-term debt	742,723	738,105
Subordinated debentures and notes	45,000	45,000
Unfunded commitments in affordable housing tax credit investments	24,756	20,311
Accrued interest payable	2,305	2,338
Other	60,372	50,361
Total liabilities	6,613,029	6,597,999
Shareholders' equity:
Preferred shares (200,000 shares authorized; 0 shares issued)	0	0
Common shares (No par value; 20,000,000 shares authorized; 16,150,820 shares issued at September 30, 2016 and 16,150,854 shares issued at December 31, 2015)	305,152	303,966
Retained earnings	530,177	507,505
Treasury shares (820,039 shares at September 30, 2016 and December 31, 2015)	(82,473)	(82,473)
Accumulated other comprehensive loss, net of taxes	(1,793)	(15,643)
Total shareholders' equity	751,063	713,355
Total liabilities and shareholders' equity	$ 7,364,092	$ 7,311,354