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Investment Securities - Available-for-Sale and Held-to-Maturity (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Schedule Of Investments [Line Items]    
Available-for-sale, amortized cost $ 152,938 $ 144,893
Available-for-sale, gross unrealized gains 532 738
Available-for-sale, gross unrealized losses (9,462) (10,066)
Investment securities available-for-sale, at fair value 144,008 135,565
Held-to-maturity, amortized cost 868 1,104
Held-to-maturity, gross unrealized losses (56) (63)
Held-to-maturity, estimated fair value 812 1,041
Residential Mortgage Backed Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, amortized cost 64,172 47,221
Available-for-sale, gross unrealized gains 441 580
Available-for-sale, gross unrealized losses (3,036) (3,073)
Investment securities available-for-sale, at fair value 61,577 44,728
Commercial Mortgage Backed Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, amortized cost 13,758 9,446
Available-for-sale, gross unrealized gains 3  
Available-for-sale, gross unrealized losses (301) (406)
Investment securities available-for-sale, at fair value 13,460 9,040
Held-to-maturity, amortized cost 400 575
Held-to-maturity, gross unrealized losses (17) (22)
Held-to-maturity, estimated fair value 383 553
US Government Agencies Debt Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, amortized cost 11,644 11,849
Available-for-sale, gross unrealized gains 88 158
Available-for-sale, gross unrealized losses (675) (727)
Investment securities available-for-sale, at fair value 11,057 11,280
Held-to-maturity, amortized cost 422 471
Held-to-maturity, gross unrealized losses (34) (34)
Held-to-maturity, estimated fair value 388 437
US States and Political Subdivisions Debt Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, amortized cost 1,599 1,621
Available-for-sale, gross unrealized losses (55) (63)
Investment securities available-for-sale, at fair value 1,544 1,558
Held-to-maturity, amortized cost 46 58
Held-to-maturity, gross unrealized losses (5) (7)
Held-to-maturity, estimated fair value 41 51
Corporate Notes [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, amortized cost 17,753 17,757
Available-for-sale, gross unrealized losses (2,779) (2,800)
Investment securities available-for-sale, at fair value 14,974 14,957
US Treasury Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, amortized cost 44,012 56,999
Available-for-sale, gross unrealized losses (2,616) (2,997)
Investment securities available-for-sale, at fair value $ 41,396 $ 54,002