Fair Value Disclosures (Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	$ 501,336	$ 408,410
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	501,336	408,410
Derivative financial instruments and interest rate swap agreements, asset	12,387	12,821
Derivative financial instruments and interest rate swap agreements, liability	14,023	14,807
US Treasury Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	77,911	76,033
US Government-sponsored Enterprises Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	42,566	48,093
Municipal securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	18,097	18,276
Other Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	40,232	33,069
Mortgage-backed securities (GSEs) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	$ 322,530	$ 232,939
Interest Rate Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets	Other Assets
Interest Rate Swap Liability
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities	Other Liabilities
Fair Value, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	$ 501,336	$ 408,410
Total assets at fair value	513,723	421,231
Derivative financial instruments and interest rate swap agreements, liability		14,807
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	501,336	408,410
Total assets at fair value	513,723	421,231
Derivative financial instruments and interest rate swap agreements, liability		14,807
Fair Value, Recurring [Member] \| US Treasury Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	77,911	76,033
Fair Value, Recurring [Member] \| US Treasury Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	77,911	76,033
Fair Value, Recurring [Member] \| US Government-sponsored Enterprises Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	42,566	48,093
Fair Value, Recurring [Member] \| US Government-sponsored Enterprises Debt Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	42,566	48,093
Fair Value, Recurring [Member] \| Municipal securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	18,097	18,276
Fair Value, Recurring [Member] \| Municipal securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	18,097	18,276
Fair Value, Recurring [Member] \| Other Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	40,232	33,069
Fair Value, Recurring [Member] \| Other Debt Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	40,232	33,069
Fair Value, Recurring [Member] \| Mortgage-backed securities (GSEs) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	322,530	232,939
Fair Value, Recurring [Member] \| Mortgage-backed securities (GSEs) [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	322,530	232,939
Fair Value, Recurring [Member] \| Interest Rate Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial instruments and interest rate swap agreements, asset	12,387	12,821
Fair Value, Recurring [Member] \| Interest Rate Swap [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial instruments and interest rate swap agreements, asset	12,387	$ 12,821
Fair Value, Recurring [Member] \| Interest Rate Swap Liability
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial instruments and interest rate swap agreements, liability	14,023
Fair Value, Recurring [Member] \| Interest Rate Swap Liability \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial instruments and interest rate swap agreements, liability	$ 14,023

Fair value portion of asset recognized for present right to economic benefit.

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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