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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, 2025 | Dec. 31, 2024
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Schedule Of Investments [Line Items] |  |
Available-for-sale, less than 12 months, fair value | $ 27,104 | $ 48,614
Available-for-sale, less than 12 months, unrealized losses | (268) | (438)
Available-for-sale, 12 months or more, fair value | 66,424 | 96,102
Available-for-sale, 12 months or more, unrealized losses | (3,635) | (6,711)
Held-to-maturity, 12 months or more, fair value | 504 | 642
Held-to-maturity, 12 months or more, unrealized losses | (20) | (40)
Residential Mortgage Backed Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, less than 12 months, fair value | 25,109 | 41,417
Available-for-sale, less than 12 months, unrealized losses | (263) | (424)
Available-for-sale, 12 months or more, fair value | 23,794 | 28,520
Available-for-sale, 12 months or more, unrealized losses | (1,465) | (2,344)
Commercial Mortgage Backed Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, less than 12 months, fair value | 0 | 3,374
Available-for-sale, less than 12 months, unrealized losses | 0 | (13)
Available-for-sale, 12 months or more, fair value | 3,583 | 5,331
Available-for-sale, 12 months or more, unrealized losses | (86) | (189)
Held-to-maturity, 12 months or more, fair value | 180 | 254
Held-to-maturity, 12 months or more, unrealized losses | (5) | (10)
US Government Agencies Debt Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, less than 12 months, fair value | 1,995 | 3,823
Available-for-sale, less than 12 months, unrealized losses | (5) | (1)
Available-for-sale, 12 months or more, fair value | 4,714 | 4,457
Available-for-sale, 12 months or more, unrealized losses | (344) | (619)
Held-to-maturity, 12 months or more, fair value | 320 | 357
Held-to-maturity, 12 months or more, unrealized losses | (15) | (27)
US States and Political Subdivisions Debt Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, 12 months or more, fair value | 297 | 1,549
Available-for-sale, 12 months or more, unrealized losses | (4) | (28)
Held-to-maturity, 12 months or more, fair value | 4 | 31
Held-to-maturity, 12 months or more, unrealized losses | 0 | (3)
Corporate Notes [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, 12 months or more, fair value | 14,745 | 13,886
Available-for-sale, 12 months or more, unrealized losses | (1,017) | (1,871)
US Treasury Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Available-for-sale, 12 months or more, fair value | 19,291 | 42,359
Available-for-sale, 12 months or more, unrealized losses | $ (719) | $ (1,660)

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- Definition Line items represent financial concepts included in a table. 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