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Investment Securities - Available-for-Sale and Held-to-Maturity (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule Of Investments [Line Items] |  |
Available-for-sale, amortized cost | $ 149,005 | $ 144,893
Available-for-sale, gross unrealized gains | 1,826 | 738
Available-for-sale, gross unrealized losses | (6,556) | (10,066)
Investment securities available-for-sale, at fair value | 144,275 | 135,565
Held-to-maturity, amortized cost | 769 | 1,104
Held-to-maturity, gross unrealized losses | (33) | (63)
Held-to-maturity, estimated fair value | 736 | 1,041
Residential Mortgage Backed Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, amortized cost | 61,314 | 47,221
Available-for-sale, gross unrealized gains | 1,416 | 580
Available-for-sale, gross unrealized losses | (1,971) | (3,073)
Investment securities available-for-sale, at fair value | 60,759 | 44,728
Commercial Mortgage Backed Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, amortized cost | 12,893 | 9,446
Available-for-sale, gross unrealized gains | 107 |
Available-for-sale, gross unrealized losses | (179) | (406)
Investment securities available-for-sale, at fair value | 12,821 | 9,040
Held-to-maturity, amortized cost | 313 | 575
Held-to-maturity, gross unrealized losses | (9) | (22)
Held-to-maturity, estimated fair value | 304 | 553
US Government Agencies Debt Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, amortized cost | 11,439 | 11,849
Available-for-sale, gross unrealized gains | 298 | 158
Available-for-sale, gross unrealized losses | (463) | (727)
Investment securities available-for-sale, at fair value | 11,274 | 11,280
Held-to-maturity, amortized cost | 414 | 471
Held-to-maturity, gross unrealized losses | (21) | (34)
Held-to-maturity, estimated fair value | 393 | 437
US States and Political Subdivisions Debt Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, amortized cost | 1,588 | 1,621
Available-for-sale, gross unrealized losses | (33) | (63)
Investment securities available-for-sale, at fair value | 1,555 | 1,558
Held-to-maturity, amortized cost | 42 | 58
Held-to-maturity, gross unrealized losses | (3) | (7)
Held-to-maturity, estimated fair value | 39 | 51
Corporate Notes [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, amortized cost | 17,755 | 17,757
Available-for-sale, gross unrealized gains | 5 |
Available-for-sale, gross unrealized losses | (2,243) | (2,800)
Investment securities available-for-sale, at fair value | 15,517 | 14,957
US Treasury Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, amortized cost | 44,016 | 56,999
Available-for-sale, gross unrealized losses | (1,667) | (2,997)
Investment securities available-for-sale, at fair value | $ 42,349 | $ 54,002

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