Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash Flows from Operating Activities:
Net Income	$ 29,709	$ 30,075	$ 48,799
Provision for Credit Losses	5,180	3,381	4,798
Depreciation and Amortization	5,361	6,718	7,548
Loss on the Sale of Securities Available-for-Sale	3,038	9,097	0
Net Gain on Equity Securities	(131)	(9,005)	(427)
Loans Originated and Held-for-Sale	(8,986)	491	(799)
Proceeds from the Sale of Loans Held-for-Sale	8,602	32	1,380
Net Gains on the Sale of Loans	(209)	(32)	(83)
Net Loss on the Sale or Write-down of Premises and Equipment,     Other Real Estate Owned and Repossessed Assets	404	187	167
Contributions to Pension & Postretirement Plans	(1,131)	(681)	(741)
Deferred Income Tax (Benefit) Expense	(789)	1,799	(1,252)
Shares Issued Under the Directors’ Stock Plan	495	218	408
Stock-Based Compensation Expense	314	605	451
Tax Benefit from Exercise of Stock Options	34	11	34
Effect of Swap Agreements	0	(2,365)	0
Net Increase in Other Assets	(8,209)	(29,220)	(1,427)
Net Increase in Other Liabilities	787	9,269	857
Net Cash Provided By Operating Activities	34,469	20,580	59,713
Cash Flows from Investing Activities:
Proceeds from the Sale of Equity Securities	0	9,254	0
Proceeds from the Sale of Securities Available-for-Sale	71,962	100,739	0
Proceeds from the Maturities and Calls of Securities Available-for-Sale	107,800	70,415	104,120
Purchases of Securities Available-for-Sale	(141,856)	(73,623)	(184,785)
Purchases of Equity Securities	(2,999)	0	0
Proceeds from the Maturities and Calls of Securities Held-to-Maturity	45,238	51,724	32,068
Purchases of Securities Held-to-Maturity	(12,364)	(8,209)	(11,459)
Net Increase in Loans	(187,510)	(228,899)	(319,547)
Proceeds from the Sales of Premises and Equipment, Other    Real Estate Owned and Repossessed Assets	3,326	2,707	1,475
Purchase of Premises and Equipment	(5,597)	(7,081)	(14,250)
Net Decrease (Increase) in Federal Home Loan Bank Stock	696	1,015	(684)
Purchase of Bank Owned Life Insurance	0	(692)	0
Acquisition of Whitehall Branch	32,354	0	0
Net Cash Used In Investing Activities	(88,950)	(82,650)	(393,062)
Cash Flows from Financing Activities:
Net Increase (Decrease) in Deposits	102,684	189,202	(52,133)
Other Borrowings - Advances	102,100	256,500	27,000
Other Borrowings - Paydowns	(120,000)	(284,800)	(17,200)
Net Cash Collateral Received from Derivative Counterparties	6,120	0	0
Finance Lease Payments	(61)	(53)	(50)
Purchase of Treasury Stock	(6,790)	(3,608)	(2,872)
Shares Issued for Stock Option Exercises, net	433	96	631
Shares Issued Under the Employee Stock Purchase Plan	291	120	477
Shares Issued for Dividend Reinvestment Plans	0	472	1,904
Cash Dividends Paid	(18,286)	(17,983)	(17,444)
Net Cash Provided (Used) By Financing Activities	66,491	139,946	(59,687)
Net Increase (Decrease) in Cash and Cash Equivalents	12,010	77,876	(393,036)
Cash and Cash Equivalents at Beginning of Year	142,536	64,660	457,696
Cash and Cash Equivalents at End of Year	154,546	142,536	64,660
Supplemental Disclosures to Statements of Cash Flow Information:
Interest on Deposits and Borrowings	84,489	51,828	5,752
Income Taxes	8,853	6,644	13,018
Transfer of Loans to Other Real Estate Owned and Repossessed Assets	2,447	2,488	1,656
Total fair value of assets acquired in acquisition of Whitehall Branch, net of cash	3,819	0	0
Total fair value of liabilities assumed in acquisition of Whitehall Branch, net of cash	$ 37,683	$ 0	$ 0