Investment Securities - Schedule of Unrealized Loss on Investments and Fair Value for Securities for Which Allowance for Credit Losses has not been Recorded (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Schedule Of Investments [Line Items]
Available-for-sale, less than 12 months, fair value	$ 5,970	$ 1,465
Available-for-sale, less than 12 months, unrealized losses	(17)	(235)
Available-for-sale, 12 months or more, fair value	103,404	118,105
Available-for-sale, 12 months or more, unrealized losses	(9,955)	(9,831)
Held-to-maturity, 12 months or more, fair value	921	1,041
Held-to-maturity, 12 months or more, unrealized losses	(62)	(63)
Residential Mortgage Backed Securities [Member]
Schedule Of Investments [Line Items]
Available-for-sale, less than 12 months, fair value	190	94
Available-for-sale, less than 12 months, unrealized losses	(5)	(1)
Available-for-sale, 12 months or more, fair value	33,610	35,584
Available-for-sale, 12 months or more, unrealized losses	(3,081)	(3,072)
Commercial Mortgage Backed Securities [Member]
Schedule Of Investments [Line Items]
Available-for-sale, less than 12 months, fair value	5,780	600
Available-for-sale, less than 12 months, unrealized losses	(12)	(5)
Available-for-sale, 12 months or more, fair value	7,883	8,408
Available-for-sale, 12 months or more, unrealized losses	(322)	(401)
Held-to-maturity, 12 months or more, fair value	448	553
Held-to-maturity, 12 months or more, unrealized losses	(20)	(22)
US Government Agencies Debt Securities [Member]
Schedule Of Investments [Line Items]
Available-for-sale, 12 months or more, fair value	4,372	4,367
Available-for-sale, 12 months or more, unrealized losses	(720)	(727)
Held-to-maturity, 12 months or more, fair value	426	437
Held-to-maturity, 12 months or more, unrealized losses	(36)	(34)
US States and Political Subdivisions Debt Securities [Member]
Schedule Of Investments [Line Items]
Available-for-sale, 12 months or more, fair value	1,545	1,558
Available-for-sale, 12 months or more, unrealized losses	(65)	(63)
Held-to-maturity, 12 months or more, fair value	47	51
Held-to-maturity, 12 months or more, unrealized losses	(6)	(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	14,843	14,186
Available-for-sale, 12 months or more, unrealized losses	(2,909)	(2,571)
US Treasury Securities [Member]
Schedule Of Investments [Line Items]
Available-for-sale, 12 months or more, fair value	41,151	54,002
Available-for-sale, 12 months or more, unrealized losses	$ (2,858)	$ (2,997)