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INVESTMENT SECURITIES - Contractual Maturities of Investment Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Available for Sale Amortized Cost |  |
Due over one to five years | $ 2,134 |
Due over five to ten years | 19,283 |
Due over ten years | 142,602 |
Amortized Cost | 164,019 | $ 112,354
Available for Sale Fair Value |  |
Due over one to five years | 2,161 |
Due over five to ten years | 19,348 |
Due over ten years | 141,318 |
Fair Value | $ 162,827 | $ 114,049
Available for Sale, Yield |  |
Over one to five years | 1.94% |
Over five to ten years | 1.61% |
Over ten years | 2.13% |

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