Consolidated Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Assets:
Cash and due from banks	$ 106,578	$ 131,946
Money market instruments	38,026	37,166
Cash and cash equivalents	144,604	169,112
Investment securities:
Debt securities available-for-sale, at fair value (amortized cost of $1,074,605 and $1,097,645 at September 30, 2018 and December 31, 2017, respectively)	1,032,265	1,091,881
Debt securities held-to-maturity, at amortized cost (fair value of $344,341 and $363,779 at September 30, 2018 and December 31, 2017, respectively)	350,642	357,197
Alternative Investment	56,104	63,746
Total investment securities	1,439,011	1,512,824
Loan balance	5,625,323	5,372,483
Allowance for loan losses	(50,246)	(49,988)
Net loans	5,575,077	5,322,495
Bank owned life insurance	190,290	189,322
Prepaid assets	99,772	97,712
Intangible Assets, Net (Including Goodwill)	119,999	72,334
Premises and equipment, net	57,515	55,901
Affordable housing tax credit investments	52,116	49,669
Other real estate owned	5,276	14,190
Interest Receivable	23,907	22,164
Mortgage loan servicing rights	10,096	9,688
Other	38,828	22,209
Total assets	7,756,491	7,537,620
Liabilities and Shareholders' Equity:
Noninterest bearing	1,727,210	1,633,941
Interest bearing	4,552,116	4,183,385
Total deposits	6,279,326	5,817,326
Short-term borrowings	179,818	391,289
Long-term debt	400,000	500,000
Subordinated debentures and notes	15,000	15,000
Unfunded commitments in affordable housing tax credit investments	22,282	14,282
Accrued interest payable	3,264	2,278
Other	47,710	41,344
Total liabilities	6,947,400	6,781,519
Shareholders' equity:
Preferred shares (200,000 shares authorized; 0 shares issued)	0	0
Common shares (No par value; 20,000,000 shares authorized; 16,586,169 shares issued at September 30, 2018 and 16,150,752 shares issued at December 31, 2017)	357,709	307,726
Retained earnings	603,091	561,908
Treasury shares (899,637 shares at September 30, 2018 and 862,558 shares at December 31, 2017)	(91,559)	(87,079)
Accumulated other comprehensive loss, net of taxes	(60,150)	(26,454)
Total shareholders' equity	809,091	756,101
Total liabilities and shareholders' equity	$ 7,756,491	$ 7,537,620