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Fair Value - Assets and Liabilities Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024 | Jun. 30, 2024
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | $ 278,248 | $ 274,680 | $ 273,501
U.S. Treasury & Agency securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 19,034 | 19,796 | 19,778
Mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 224,416 | 219,382 | 217,823
State and political subdivisions |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 32,687 | 33,252 | 33,370
Asset-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 2,111 | 2,250 | 2,530
Fair Value, Measurements, Recurring | Level 1 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 0 | 0 | 0
Derivative assets | 0 | 0 | 0
Total assets | 0 | 0 | 0
Derivative liabilities | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Interest rate swap agreements |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 0 | 0 | 0
Derivative liabilities | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Customer loan interest swap agreements |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 0 | 0 | 0
Derivative liabilities | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | U.S. Treasury & Agency securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | State and political subdivisions |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Asset-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 2 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 278,248 | 274,680 | 273,501
Derivative assets | 4,424 | 5,057 | 5,975
Total assets | 282,672 | 279,737 | 279,476
Derivative liabilities | 5,321 | 5,617 | 4,979
Fair Value, Measurements, Recurring | Level 2 | Interest rate swap agreements |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 106 | 198 | 1,063
Derivative liabilities | 1,003 | 758 | 67
Fair Value, Measurements, Recurring | Level 2 | Customer loan interest swap agreements |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 4,318 | 4,859 | 4,912
Derivative liabilities | 4,318 | 4,859 | 4,912
Fair Value, Measurements, Recurring | Level 2 | U.S. Treasury & Agency securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 19,034 | 19,796 | 19,778
Fair Value, Measurements, Recurring | Level 2 | Mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 224,416 | 219,382 | 217,823
Fair Value, Measurements, Recurring | Level 2 | State and political subdivisions |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 32,687 | 33,252 | 33,370
Fair Value, Measurements, Recurring | Level 2 | Asset-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 2,111 | 2,250 | 2,530
Fair Value, Measurements, Recurring | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 0 | 0 | 0
Derivative assets | 0 | 0 | 0
Total assets | 0 | 0 | 0
Derivative liabilities | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Interest rate swap agreements |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 0 | 0 | 0
Derivative liabilities | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Customer loan interest swap agreements |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 0 | 0 | 0
Derivative liabilities | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | U.S. Treasury & Agency securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | State and political subdivisions |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 0 | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Asset-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 0 | 0 | 0
Fair Value, Measurements, Recurring | Total Fair Value |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 278,248 | 274,680 | 273,501
Derivative assets | 4,424 | 5,057 | 5,975
Total assets | 282,672 | 279,737 | 279,476
Derivative liabilities | 5,321 | 5,617 | 4,979
Fair Value, Measurements, Recurring | Total Fair Value | Interest rate swap agreements |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 106 | 198 | 1,063
Derivative liabilities | 1,003 | 758 | 67
Fair Value, Measurements, Recurring | Total Fair Value | Customer loan interest swap agreements |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 4,318 | 4,859 | 4,912
Derivative liabilities | 4,318 | 4,859 | 4,912
Fair Value, Measurements, Recurring | Total Fair Value | U.S. Treasury & Agency securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 19,034 | 19,796 | 19,778
Fair Value, Measurements, Recurring | Total Fair Value | Mortgage-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 224,416 | 219,382 | 217,823
Fair Value, Measurements, Recurring | Total Fair Value | State and political subdivisions |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 32,687 | 33,252 | 33,370
Fair Value, Measurements, Recurring | Total Fair Value | Asset-backed securities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | $ 2,111 | $ 2,250 | $ 2,530

X
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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