Consolidated Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Assets:
Cash and due from banks	$ 116,870	$ 141,890
Money market instruments	70,609	25,324
Cash and cash equivalents	187,479	167,214
Investment securities:
Debt Securities, Available-for-sale, Current	977,990	1,003,421
Debt securities held-to-maturity, at amortized cost (fair value of $359,620 and $351,422 at March 31, 2019 and December 31, 2018, respectively)	351,159	351,808
Other Investments and Securities, at Cost	53,152	55,851
Total investment securities	1,382,301	1,411,080
Loan balance	5,740,760	5,692,132
Allowance for loan losses	(53,368)	(51,512)
Net loans	5,687,392	5,640,620
Bank owned life insurance	188,839	188,417
Prepaid assets	98,675	94,079
Goodwill	112,739	112,739
Other intangible assets	6,682	6,971
Intangible Assets, Net (Including Goodwill)	119,421	119,710
Premises and equipment, net	60,506	59,771
Affordable housing tax credit investments	48,535	50,347
Other real estate owned	4,629	4,303
Interest Receivable	24,299	22,974
Mortgage loan servicing rights	10,082	10,178
Other	40,088	35,615
Total assets	7,852,246	7,804,308
Liabilities and Shareholders' Equity:
Noninterest bearing	1,767,596	1,804,881
Interest bearing	4,557,616	4,455,979
Total deposits	6,325,212	6,260,860
Short-term borrowings	212,569	221,966
Long-term debt	375,000	400,000
Subordinated debentures and notes	15,000	15,000
Unfunded commitments in affordable housing tax credit investments	19,624	22,282
Accrued interest payable	2,885	2,625
Other	56,912	49,069
Total liabilities	7,007,202	6,971,802
Shareholders' equity:
Preferred shares (200,000 shares authorized; 0 shares issued)	0	0
Common shares (No par value; 20,000,000 shares authorized; 16,586,153 shares issued at March 31, 2019 and 16,586,165 shares issued at December 31, 2018)	357,475	358,598
Retained earnings	619,971	614,069
Treasury shares (955,654 shares at March 31. 2019 and 887,987 shares at December 31, 2018)	(96,949)	(90,373)
Accumulated other comprehensive loss, net of taxes	(35,453)	(49,788)
Total shareholders' equity	845,044	832,506
Total liabilities and shareholders' equity	$ 7,852,246	$ 7,804,308