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INVESTMENT SECURITIES - Maturity of Available-for-Sale Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Amortized Cost |  |
Due in one year or less | $ 0 | $ 0
Due after one year through five years | 11,624 | 8,525
Due after five years through ten years | 48,688 | 45,622
Due after ten years | 39,975 | 38,739
Total securities with contractual maturities | 100,287 | 92,886
Amortized Cost | 196,307 | 190,344
Estimated Fair Value |  |
Due in one year or less | 0 | 0
Due after one year through five years | 11,300 | 8,184
Due after five years through ten years | 43,988 | 41,427
Due after ten years | 39,176 | 37,770
Total securities with contractual maturities | 94,464 | 87,381
Estimated Fair Value | 173,423 | 165,991
Mortgage-backed securities |  |
Amortized Cost |  |
Mortgage-backed securities | 96,020 | 97,458
Estimated Fair Value |  |
Mortgage-backed securities | $ 78,959 | $ 78,610

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