Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash Flows from Operating Activities:
Net Income	$ 36,712	$ 39,548
Provision for Credit Losses	3,389	(286)
Depreciation and Amortization	5,845	5,894
Net Gain on Securities Transactions	(379)	(250)
Loans Originated and Held-for-Sale	(626)	(45,930)
Proceeds from the Sale of Loans Held-for-Sale	1,377	57,097
Net Gain on the Sale of Loans	(80)	(2,251)
Net Loss on the Sale of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	136	68
Contributions to Retirement Benefit Plans	(478)	(441)
Deferred Income Tax Benefit	(670)	(35)
Shares Issued Under the Directors’ Stock Plan	285	284
Stock-Based Compensation Expense	338	310
Tax Benefit from Exercise of Stock Options	22	69
Net Increase in Other Assets	(1,076)	(92)
Net Increase in Other Liabilities	3,415	1,727
Net Cash Provided By Operating Activities	48,210	55,712
Cash Flows from Investing Activities:
Proceeds from the Maturities and Calls of Securities Available-for-Sale	61,620	93,332
Purchases of Securities Available-for-Sale	(149,674)	(222,089)
Proceeds from the Maturities and Calls of Securities Held-to-Maturity	24,231	24,266
Purchases of Securities Held-to-Maturity	(10,293)	(4,695)
Net Increase in Loans	(260,179)	(70,393)
Proceeds from the Sales of Premises and Equipment, Other Real Estate Owned and Repossessed Assets	1,055	1,054
Purchase of Premises and Equipment	(10,913)	(3,942)
Net Decrease (Increase) in FHLB and Federal Reserve Bank Stock	660	(31)
Net Cash Used By Investing Activities	(343,493)	(182,498)
Cash Flows from Financing Activities:
Net Increase in Deposits	244,608	370,837
Net Decrease in Short-Term Borrowings	0	(15,060)
Finance Lease Payments	(38)	(36)
Repayments of Federal Home Loan Bank Term Advances	(20,000)	0
Purchase of Treasury Stock	(2,721)	(2,633)
Stock Options Exercised, Net	366	1,453
Shares Issued Under the Employee Stock Purchase Plan	361	363
Shares Issued for Dividend Reinvestment Plans	1,420	1,366
Cash Dividends Paid	(12,980)	(12,129)
Net Cash Provided By Financing Activities	211,016	344,161
Net (Decrease) Increase in Cash and Cash Equivalents	(84,267)	217,375
Cash and Cash Equivalents at Beginning of Period	457,696	380,991
Cash and Cash Equivalents at End of Period	373,429	598,366
Supplemental Disclosures to Statements of Cash Flow Information:
Interest on Deposits and Borrowings	5,911	4,224
Income Taxes	8,918	11,060
Transfer of Loans to Other Real Estate Owned and Repossessed Assets	$ 1,217	$ 1,066