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SECURITIES - Available-for-sale Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Available-for-sale Securities |  |
Due in one year or less, amortized cost | $ 12,117 |
Due in one year or less, fair value | 11,936 |
Due from one year through five years. amortized cost | 30,083 |
Due from one year through five years, fair value | 28,020 |
Due from five years through ten years, amortized cost | 75,135 |
Due from five years through ten years, fair value | 65,458 |
Due after ten years, amortized cost | 104,720 |
Due after ten years, fair value | 89,743 |
Sub-total, amortized cost | 222,055 |
Sub-total, fair value | 195,157 |
Total, amortized cost | 457,081 | $ 464,968
Total, fair value | 405,094 | 415,755
Residential Passthrough Securities |  |
Available-for-sale Securities |  |
Total, amortized cost | 102,048 | 105,549
Total, fair value | 91,116 | 95,405
Residential Collateralized Mortgage Obligations |  |
Available-for-sale Securities |  |
Total, amortized cost | 48,477 | 50,212
Total, fair value | 44,501 | 46,462
Commercial Mortgage Backed Securities |  |
Available-for-sale Securities |  |
Total, amortized cost | 76,249 | 76,412
Total, fair value | 66,121 | 66,682
Private label commercial mortgage-backed securities |  |
Available-for-sale Securities |  |
Total, amortized cost | 8,252 | 8,215
Total, fair value | $ 8,199 | $ 8,160

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