Consolidated Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Assets:
Cash and due from banks	$ 119,873	$ 119,412
Money market instruments	196,016	30,047
Cash and cash equivalents	315,889	149,459
Investment securities:
Securities available-for-sale, at fair value (amortized cost of $1,281,357 and $1,436,714 at June 30, 2016 and December 31, 2015, respectively)	1,305,574	1,436,266
Securities held-to-maturity, at amortized cost (fair value of $191,557 and $151,428 at June 30, 2016 and December 31, 2015, respectively)	184,121	149,302
Other investment securities	58,311	58,311
Total investment securities	1,548,006	1,643,879
Loans	5,127,644	5,068,085
Allowance for loan losses	(58,699)	(56,494)
Net loans	5,068,945	5,011,591
Bank owned life insurance	183,143	181,684
Prepaid assets	85,962	80,635
Goodwill	72,334	72,334
Premises and equipment, net	58,962	59,493
Affordable housing tax credit investments	47,576	51,247
Other real estate owned	17,566	18,651
Interest Receivable	17,497	18,675
Mortgage loan servicing rights	8,880	9,008
Other	6,850	14,698
Total assets	7,431,610	7,311,354
Liabilities and Shareholders' Equity:
Noninterest bearing	1,378,053	1,404,032
Interest bearing	4,245,826	3,943,610
Total deposits	5,623,879	5,347,642
Short-term borrowings	210,731	394,242
Long-term debt	741,174	738,105
Subordinated debentures and notes	45,000	45,000
Unfunded commitments in affordable housing tax credit investments	15,995	20,311
Accrued interest payable	2,336	2,338
Other	52,608	50,361
Total liabilities	6,691,723	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; 16,150,835 shares issued at June 30, 2016 and 16,150,854 shares issued at December 31, 2015)	304,756	303,966
Retained earnings	517,215	507,505
Treasury shares (820,039 shares at June 30, 2016 and December 31, 2015)	(82,473)	(82,473)
Accumulated other comprehensive income (loss), net of taxes	389	(15,643)
Total shareholders' equity	739,887	713,355
Total liabilities and shareholders' equity	$ 7,431,610	$ 7,311,354