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Security Types (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Available For Sale Securities Debt Maturities Fair Value [Line Items] |  |
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | $ 60,112 | $ 58,518
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 100,984 | 112,219
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 196,827 | 229,332
Available-for-sale Securities, Fair Value, Total | 373,286 | 405,304
Available For Sale Securities, Gross Unrealized Gains | 0 | 11
Available For Sale Securities, Gross Unrealized Losses | 65,450 | 54,653
Available-for-sale Securities, Amortized Cost Basis | 438,736 | 459,946
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | 15,363 | 5,235
US Government and Government Agencies and Authorities [Member] |  |
Available For Sale Securities Debt Maturities Fair Value [Line Items] |  |
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 49,036 | 50,746
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 58,651 | 69,936
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 0 | 0
Available-for-sale Securities, Fair Value, Total | 122,750 | 125,617
Available For Sale Securities, Gross Unrealized Gains | 0 | 0
Available For Sale Securities, Gross Unrealized Losses | 17,152 | 15,826
Available-for-sale Securities, Amortized Cost Basis | 139,902 | 141,443
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | 15,063 | 4,935
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Available For Sale Securities Debt Maturities Fair Value [Line Items] |  |
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 10,095 | 7,130
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 26,845 | 27,153
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 155,517 | 183,877
Available-for-sale Securities, Fair Value, Total | 192,457 | 218,160
Available For Sale Securities, Gross Unrealized Gains | 0 | 0
Available For Sale Securities, Gross Unrealized Losses | 39,581 | 33,146
Available-for-sale Securities, Amortized Cost Basis | 232,038 | 251,306
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | 0 | 0
US States and Political Subdivisions Debt Securities [Member] |  |
Available For Sale Securities Debt Maturities Fair Value [Line Items] |  |
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 981 | 642
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 15,488 | 15,130
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 41,310 | 45,455
Available-for-sale Securities, Fair Value, Total | 58,079 | 61,527
Available For Sale Securities, Gross Unrealized Gains | 0 | 11
Available For Sale Securities, Gross Unrealized Losses | 8,717 | 5,681
Available-for-sale Securities, Amortized Cost Basis | 66,796 | 67,197
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | $ 300 | $ 300

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