Fair Value Disclosures (Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	$ 474,347	$ 408,410
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	474,347	408,410
Derivative financial instruments and interest rate swap agreements, asset	12,949	12,821
Derivative financial instruments and interest rate swap agreements, liability	13,907	14,807
US Treasury Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	75,275	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	48,949	48,093
Municipal securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	18,018	18,276
Other Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	35,939	33,069
Mortgage-backed securities (GSEs) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, post ASU 2019-04	$ 296,166	$ 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	$ 474,347	$ 408,410
Total assets at fair value	487,296	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	474,347	408,410
Total assets at fair value	487,296	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	75,275	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	75,275	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	48,949	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	48,949	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	18,018	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	18,018	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	35,939	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	35,939	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	296,166	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	296,166	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	12,949	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	12,949	$ 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	13,907
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	$ 13,907