Financial Derivative Instruments (Details)	Jun. 30, 2024 USD ($) derivative	Dec. 31, 2023 USD ($) derivative	Jun. 30, 2023 USD ($) derivative
Interest rate swap agreements | Designated as Hedging Instrument
Derivative [Line Items]
Notional Amount	$ 225,000,000	$ 245,000,000	$ 205,000,000
Fair Value	996,000	(1,769,000)	861,000
Customer loan interest swap agreements
Derivative [Line Items]
Collateral posted	$ 0
Cash Flow Hedging | Interest Rate Swap October 27 2023 | Designated as Hedging Instrument
Derivative [Line Items]
Fixed Rate Paid	2.498%
Cash Flow Hedging | Interest Rate Swap October 27 2023 | Designated as Hedging Instrument | Other Assets
Derivative [Line Items]
Notional Amount	$ 0	0	10,000,000
Fair Value	$ 0	0	89,000
Cash Flow Hedging | Interest Rate Swap January 27 2024 | Designated as Hedging Instrument
Derivative [Line Items]
Fixed Rate Paid	2.576%
Cash Flow Hedging | Interest Rate Swap January 27 2024 | Designated as Hedging Instrument | Other Assets
Derivative [Line Items]
Notional Amount	$ 0	10,000,000	10,000,000
Fair Value	$ 0	22,000	158,000
Cash Flow Hedging | Interest Rate Swap April 27 2024 | Designated as Hedging Instrument
Derivative [Line Items]
Fixed Rate Paid	2.619%
Cash Flow Hedging | Interest Rate Swap April 27 2024 | Designated as Hedging Instrument | Other Assets
Derivative [Line Items]
Notional Amount	$ 0	10,000,000	10,000,000
Fair Value	$ 0	86,000	219,000
Cash Flow Hedging | Interest Rate Swap January 01 2026 | Designated as Hedging Instrument
Derivative [Line Items]
Fixed Rate Paid	3.836%
Cash Flow Hedging | Interest Rate Swap January 01 2026 | Designated as Hedging Instrument | Other Assets
Derivative [Line Items]
Notional Amount	$ 75,000,000	75,000,000	75,000,000
Fair Value	928,000	272,000	1,154,000
Cash Flow Hedging | Interest rate swap agreements | Designated as Hedging Instrument
Derivative [Line Items]
Notional Amount	75,000,000	95,000,000	105,000,000
Fair Value	$ 928,000	$ 380,000	$ 1,620,000
Cash Flow Hedging | Customer loan interest swap agreements | Designated as Hedging Instrument
Derivative [Line Items]
Number of Positions | derivative	8	7	6
Cash Flow Hedging | Customer loan interest swap agreements | Not Designated as Hedging Instrument
Derivative [Line Items]
Notional Amount	$ 85,904,000	$ 82,668,000	$ 73,704,000
Fair Value	$ 0	$ 0	$ 0
Number of Positions | derivative	16	14	12
Cash Flow Hedging | Customer loan interest swap agreements | Not Designated as Hedging Instrument | Pay Fixed, Receive Variable
Derivative [Line Items]
Notional Amount	$ 42,952,000	$ 41,334,000	$ 36,852,000
Fair Value	$ 4,790,000	$ 4,170,000	$ 4,715,000
Number of Positions | derivative	8	7	6
Cash Flow Hedging | Customer loan interest swap agreements | Not Designated as Hedging Instrument | Receive Fixed, Pay Variable
Derivative [Line Items]
Notional Amount	$ 42,952,000	$ 41,334,000	$ 36,852,000
Fair Value	$ (4,790,000)	$ (4,170,000)	$ (4,715,000)
Number of Positions | derivative	8	7	6
Cash Flow Hedging | Customer loan interest swap agreements | Not Designated as Hedging Instrument | Other Assets | Pay Fixed, Receive Variable
Derivative [Line Items]
Notional Amount	$ 40,290,000	$ 36,286,000	$ 36,852,000
Fair Value	$ 4,851,000	$ 4,259,000	$ 4,715,000
Number of Positions | derivative	7	6	6
Cash Flow Hedging | Customer loan interest swap agreements | Not Designated as Hedging Instrument | Other Assets | Receive Fixed, Pay Variable
Derivative [Line Items]
Notional Amount	$ 2,662,000	$ 5,048,000	$ 0
Fair Value	$ 61,000	$ 89,000	$ 0
Number of Positions | derivative	1	1	0
Cash Flow Hedging | Customer loan interest swap agreements | Not Designated as Hedging Instrument | Other Liabilities | Pay Fixed, Receive Variable
Derivative [Line Items]
Notional Amount	$ 2,662,000	$ 5,048,000	$ 0
Fair Value	$ (61,000)	$ (89,000)	$ 0
Number of Positions | derivative	1	1	0
Cash Flow Hedging | Customer loan interest swap agreements | Not Designated as Hedging Instrument | Other Liabilities | Receive Fixed, Pay Variable
Derivative [Line Items]
Notional Amount	$ 40,290,000	$ 36,286,000	$ 36,852,000
Fair Value	$ (4,851,000)	$ (4,259,000)	$ (4,715,000)
Number of Positions | derivative	7	6	6
Fair Value Hedging | Interest Rate Swap March 01 2026 | Designated as Hedging Instrument
Derivative [Line Items]
Fixed Rate Paid	4.712%
Fair Value Hedging | Interest Rate Swap March 01 2026 | Designated as Hedging Instrument | Other Liabilities
Derivative [Line Items]
Notional Amount	$ 40,000,000	$ 40,000,000	$ 40,000,000
Fair Value	$ (24,000)	(581,000)	(231,000)
Fair Value Hedging | Interest Rate Swap March 01 2027 | Designated as Hedging Instrument
Derivative [Line Items]
Fixed Rate Paid	4.402%
Fair Value Hedging | Interest Rate Swap March 01 2027 | Designated as Hedging Instrument | Other Liabilities
Derivative [Line Items]
Notional Amount	$ 30,000,000	30,000,000	30,000,000
Fair Value	$ (32,000)	(598,000)	(239,000)
Fair Value Hedging | Interest Rate Swap March 01 2028 | Designated as Hedging Instrument
Derivative [Line Items]
Fixed Rate Paid	4.189%
Fair Value Hedging | Interest Rate Swap March 01 2028 | Designated as Hedging Instrument | Other Liabilities
Derivative [Line Items]
Notional Amount	$ 30,000,000	30,000,000	30,000,000
Fair Value	$ (11,000)	(678,000)	(289,000)
Fair Value Hedging | Interest Rate Swap August 01 2025 | Designated as Hedging Instrument
Derivative [Line Items]
Fixed Rate Paid	4.703%
Fair Value Hedging | Interest Rate Swap August 01 2025 | Designated as Hedging Instrument | Other Assets
Derivative [Line Items]
Notional Amount	$ 50,000,000	50,000,000	0
Fair Value	135,000	(292,000)	0
Fair Value Hedging | Interest rate swap agreements | Designated as Hedging Instrument
Derivative [Line Items]
Notional Amount	150,000,000	150,000,000	100,000,000
Fair Value	$ 68,000	$ (2,149,000)	$ (759,000)