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Investment Securities - Investments Classified by Contractual Maturity Date (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Amortized Cost |  |
Due in 1 year or less | $ 250 |
Due after 1 year but within 5 years | 41,289 |
Due after 5 years but within 10 years | 31,942 |
Due after 10 years | 2,868 |
Available-for-sale securities, amortized cost basis, Total | 76,349 |
Amortized Cost | 262,342 | $ 63,184
Fair Value |  |
Due in 1 year or less | 250 |
Due after 1 year but within 5 years | 39,865 |
Due after 5 years but within 10 years | 28,555 |
Due after 10 years | 2,293 |
Available-for-sale securities, fair value, Total | 70,963 |
Available for Sale Securities, Fair Value | 237,878 | 62,862
Amortized Cost |  |
Due in 1 year or less | 3,745 |
Due after 1 year but within 5 years | 87,184 |
Due after 5 years but within 10 years | 214,469 |
Due after 10 years | 43,386 |
Held-to-maturity securities, amortized cost | 348,784 |
Amortized Cost | 399,494 | 329,257
Held-to-maturity debt securities: |  |
Due in 1 year or less | 3,719 |
Due after 1 year but within 5 years | 81,927 |
Due after 5 years but within 10 years | 183,635 |
Due after 10 years | 35,190 |
Held-to-maturity securities, fair value | 304,471 |
Held to maturity, fair value | 348,505 | $ 330,626
Mortgage-backed securities |  |
Amortized Cost |  |
Mortgage-backed securities | 185,993 |
Fair Value |  |
Mortgage-backed securities | 166,915 |
Amortized Cost |  |
Mortgage-backed securities | 50,710 |
Held-to-maturity debt securities: |  |
Mortgage-backed securities | $ 44,034 |

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