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Investment Securities - Scheduled Maturities of Investment Securities Available-for-Sale and Held-to-Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Available-for-sale, maturing within one year, amortized cost	$ 12,981
Available-for-sale, maturing after one to five years, amortized cost	54,750
Available-for-sale, maturing after five to ten years, amortized cost	57,816
Available-for-sale, maturing after ten years, amortized cost	9,945
Available-for-sale, amortized cost	135,492	$ 141,883
Available-for-sale, maturing within one year, estimated fair value	12,690
Available-for-sale, maturing after one to five years, estimated fair value	50,518
Available-for-sale, maturing after five to ten years, estimated fair value	50,556
Available-for-sale, maturing after ten years, estimated fair value	9,169
Available-for-sale, amortized cost	122,933	130,795
Held-to-maturity, maturing after one to five years, amortized cost	303
Held-to-maturity, maturing after five to ten years, amortized cost	941
Held-to-maturity, maturing after ten years, amortized cost	227
Held-to-maturity, amortized cost	1,471	1,862
Held-to-maturity, maturing after one to five years, estimated fair value	289
Held-to-maturity, maturity after five to ten years, estimated fair value	889
Held-to-maturity, maturing after ten years, estimated fair value	205
Held-to-maturity, amortized cost	$ 1,383	$ 1,769

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