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Investment Securities - Schedule of Debt Securities Expected Maturity (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Amortized Cost |  |  |
Due within 1 year |  | $ 660 |
Due after 1 but within 5 years |  | 12,373 |
Due after 5 but within 10 years |  | 35,508 |
Due after 10 years |  | 563 |
Amortized Cost |  | 49,104 |
Debt Securities, Held-to-maturity |  | 419,009 | $ 461,162
Estimated Fair Value |  |  |
Due within 1 year |  | 658 |
Due after 1 but within 5 years |  | 11,772 |
Due after 5 but within 10 years |  | 29,595 |
Due after 10 years |  | 453 |
Estimated Fair Value |  | 42,478 |
Debt Securities, Held-to-maturity, Fair Value |  | 350,595 | $ 386,205
Mortgage-Backed Securities [Member] |  |  |
Amortized Cost |  |  |
Debt Securities, Held-to-maturity | [1] | 369,905 |
Estimated Fair Value |  |  |
Debt Securities, Held-to-maturity, Fair Value | [1] | 308,117 |
Mortgage-Backed Securities [Member] | US Government Agencies Debt Securities [Member] |  |  |
Amortized Cost |  |  |
Debt Securities, Held-to-maturity |  | 71,300 |
Estimated Fair Value |  |  |
Debt Securities, Held-to-maturity, Fair Value |  | 56,700 |
Mortgage-Backed Securities [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member] |  |  |
Amortized Cost |  |  |
Debt Securities, Held-to-maturity |  | 298,600 |
Estimated Fair Value |  |  |
Debt Securities, Held-to-maturity, Fair Value |  | $ 251,400 |
[1] | Mortgage Backed Securities include an amortized cost of $71.3 million and a fair value of $56.7 million for Obligations of U.S. Government agencies issued by Ginnie Mae and an amortized cost of $298.6 million and a fair value of $251.4 million for Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac.

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