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Investments Securities - Summary of Investment Securities Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
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Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Available-for-sale, Less Than 12 Months, Fair Value | $ 0 | $ 0
Available-for-sale, Less Than 12 Months, Gross Unrealized Losses | 0 | 0
Available-for-sale, 12 Months or Greater, Fair Value | 38 | 99,504
Available-for-sale, 12 Months or Greater, Gross Unrealized Losses | 2 | 537
Available-for-Sale, Total Fair Value | 38 | 99,504
Available-for-Sale, Total Gross Unrealized Losses | 2 | 537
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Total investment securities, Less Than 12 Months, Fair Value | 0 | 11,236
Total investment securities, Less Than 12 Months, Gross Unrealized Losses | 0 | 173
Total investment securities, 12 Months or Greater, Fair Value | 11,250 | 100,386
Total investment securities, 12 Months or Greater, Gross Unrealized Losses | 136 | 650
Total investment securities, Total Fair Value | 11,250 | 111,622
Total investment securities, Total Gross Unrealized Losses | 136 | 823
U.S. Treasury securities |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Available-for-sale, Less Than 12 Months, Fair Value |  | 0
Available-for-sale, Less Than 12 Months, Gross Unrealized Losses |  | 0
Available-for-sale, 12 Months or Greater, Fair Value |  | 99,461
Available-for-sale, 12 Months or Greater, Gross Unrealized Losses |  | 535
Available-for-Sale, Total Fair Value |  | 99,461
Available-for-Sale, Total Gross Unrealized Losses |  | 535
U.S. Agency collateralized mortgage obligations |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Available-for-sale, Less Than 12 Months, Fair Value | 0 | 0
Available-for-sale, Less Than 12 Months, Gross Unrealized Losses | 0 | 0
Available-for-sale, 12 Months or Greater, Fair Value | 38 | 43
Available-for-sale, 12 Months or Greater, Gross Unrealized Losses | 2 | 2
Available-for-Sale, Total Fair Value | 38 | 43
Available-for-Sale, Total Gross Unrealized Losses | 2 | 2
U.S. Agency residential mortgage-backed securities |  |
Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Held-to-maturity, Less Than 12 Months, Fair Value | 0 | 11,236
Held-to-maturity, Less Than 12 Months, Gross Unrealized Losses | 0 | 173
Held-to-maturity, 12 Months or Greater, Fair Value | 11,212 | 882
Held-to-maturity, 12 Months or Greater, Gross Unrealized Losses | 134 | 113
Held-to-Maturity, Total Fair Value | 11,212 | 12,118
Held-to-Maturity, Total Gross Unrealized Losses | $ 134 | $ 286

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