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Investment Securities - Schedule of Fair Value and Unrealized Loss on Investments for Securities for Which Allowance for Credit Losses has not been Recorded (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Schedule Of Investments [Line Items]    
Available-for-sale, less than 12 months, fair value   $ 1,465
Available-for-sale, less than 12 months, unrealized losses   (235)
Available-for-sale, 12 months or more, fair value $ 98,506 118,105
Available-for-sale, 12 months or more, unrealized losses (6,556) (9,831)
Held-to-maturity, 12 months or more, fair value 736 1,041
Held-to-maturity, 12 months or more, unrealized losses (33) (63)
Residential Mortgage Backed Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, less than 12 months, fair value   94
Available-for-sale, less than 12 months, unrealized losses   (1)
Available-for-sale, 12 months or more, fair value 30,705 35,584
Available-for-sale, 12 months or more, unrealized losses (1,971) (3,072)
Commercial Mortgage Backed Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, less than 12 months, fair value   600
Available-for-sale, less than 12 months, unrealized losses   (5)
Available-for-sale, 12 months or more, fair value 5,769 8,408
Available-for-sale, 12 months or more, unrealized losses (179) (401)
Held-to-maturity, 12 months or more, fair value 304 553
Held-to-maturity, 12 months or more, unrealized losses (9) (22)
US Government Agencies Debt Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, 12 months or more, fair value 4,616 4,367
Available-for-sale, 12 months or more, unrealized losses (463) (727)
Held-to-maturity, 12 months or more, fair value 393 437
Held-to-maturity, 12 months or more, unrealized losses (21) (34)
US States and Political Subdivisions Debt Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, 12 months or more, fair value 1,555 1,558
Available-for-sale, 12 months or more, unrealized losses (33) (63)
Held-to-maturity, 12 months or more, fair value 39 51
Held-to-maturity, 12 months or more, unrealized losses (3) (7)
Corporate Notes [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, less than 12 months, fair value   771
Available-for-sale, less than 12 months, unrealized losses   (229)
Available-for-sale, 12 months or more, fair value 13,512 14,186
Available-for-sale, 12 months or more, unrealized losses (2,243) (2,571)
US Treasury Securities [Member]    
Schedule Of Investments [Line Items]    
Available-for-sale, 12 months or more, fair value 42,349 54,002
Available-for-sale, 12 months or more, unrealized losses $ (1,667) $ (2,997)