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Investment Securities - Scheduled Maturities of Investment Securities Available-for-Sale and Held-to-Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Available-for-sale, maturing within one year, amortized cost	$ 12,994
Available-for-sale, maturing after one to five years, amortized cost	53,070
Available-for-sale, maturing after five to ten years, amortized cost	58,413
Available-for-sale, maturing after ten years, amortized cost	20,416
Available-for-sale, amortized cost	144,893	$ 141,883
Available-for-sale, maturing within one year, estimated fair value	12,895
Available-for-sale, maturing after one to five years, estimated fair value	49,767
Available-for-sale, maturing after five to ten years, estimated fair value	52,506
Available-for-sale, maturing after ten years, estimated fair value	20,397
Available-for-sale, amortized cost	135,565	130,795
Held-to-maturity, maturing after one to five years, amortized cost	249
Held-to-maturity, maturing after five to ten years, amortized cost	660
Held-to-maturity, maturing after ten years, amortized cost	195
Held-to-maturity, amortized cost	1,104	1,862
Held-to-maturity, maturing after one to five years, estimated fair value	241
Held-to-maturity, maturity after five to ten years, estimated fair value	620
Held-to-maturity, maturing after ten years, estimated fair value	180
Held-to-maturity, amortized cost	$ 1,041	$ 1,769

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