Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating Activities
Net income available to common shareholders	$ 29,000	$ 21,619
Adjustments to reconcile net income to net cash provided by operating activities:
(Accretion) and amortization, net	(422)	455
Provision for (recovery of) credit losses	7,972	(849)
Depreciation of premises and equipment	1,325	1,209
Deferred income tax expense	(824)	1,922
Net periodic employee benefit cost	181	193
Unrealized and realized investment securities losses (gains), net	2,339	(163)
Stock-compensation expense	1,009	803
Excess tax benefit from stock-compensation expense	(121)	(77)
Increase in value of bank-owned life insurance	(1,676)	(1,016)
Loans originated for sale	(2,327)	(4,325)
Proceeds from the sale of loans originated for sale	2,229	5,939
Gain on sale of loans	(77)	(165)
Change in accrued interest receivable	(1,001)	(1,233)
Change in other assets	(5,926)	(4,193)
Change in other liabilities	8,937	(57)
Net Cash Provided by Operating Activities	40,618	20,062
Investing Activities
Net decrease in loans	6,442	26,920
Purchases	(94,151)	(61,432)
Proceeds from sales	26,090	25,062
Proceeds from maturities and calls	20,644	15,432
Securities Held-to-maturity: Proceeds from maturities and calls	0	5,484
Other investments: Purchases	(1,357)	(9,006)
Other investments: Proceeds from sales	624	11,715
Purchases of premises and equipment	(3,329)	(1,576)
Disposals of premises and equipment	119	30
Proceeds from life insurance	1,412	304
Sale of Ashland office, net	440	0
Net Cash (Used in) Provided by Investing Activities	(43,066)	12,933
Financing Activities
Net increase in non-interest-bearing deposits	52,414	4,514
Net (decrease) increase in interest-bearing deposits	(76,100)	63,190
Net increase (decrease) in short-term borrowings	22,892	(67,228)
Repayment of long-term debt	4,124	0
Purchases of treasury stock	(12,971)	(4,089)
Proceeds from exercise of stock options	122	252
Dividends paid	(9,293)	(8,775)
Net Cash Used in Financing Activities	(27,060)	(12,136)
(Decrease) Increase in Cash and Cash Equivalents	(29,508)	20,859
Cash and cash equivalents at beginning of period	140,144	122,991
Cash and Cash Equivalents at End of Period	$ 110,636	$ 143,850