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Securities - Schedule of Contractual Maturity of Securities Available for Sale, Excluding Equity Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Amortized Cost |  |
1 year or less | $ 27,799 |
1 year – 5 years | 101,918 |
5 years – 10 years | 139,493 |
After 10 years | 9,517 |
Total, Amortized Cost | 278,727 |
Total debt securities | 727,205 | $ 565,493
Fair Value |  |
1 year or less | 27,993 |
1 year – 5 years | 104,449 |
5 years – 10 years | 140,640 |
After 10 years | 9,564 |
Total, Fair Value | 282,646 |
Total debt securities | 732,793 | 584,908
Residential & multi-family mortgage |  |
Amortized Cost |  |
Mortgage & asset backed securities, Amortized Cost | 427,675 |
Total debt securities | 427,675 | 306,054
Fair Value |  |
Mortgage & asset backed securities, Fair Value | 428,809 |
Total debt securities | 428,809 | 315,192
Pooled SBA |  |
Amortized Cost |  |
Mortgage & asset backed securities, Amortized Cost | 20,803 |
Total debt securities | 20,803 | 24,975
Fair Value |  |
Mortgage & asset backed securities, Fair Value | 21,338 |
Total debt securities | 21,338 | 25,886
Other |  |
Amortized Cost |  |
Total debt securities | 0 | 1,020
Fair Value |  |
Total debt securities | $ 0 | $ 979

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