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SECURITIES - Available-for-sale Debt Securities by Contractual Maturity (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020
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Available-for-sale Securities |  |
Due in one year or less, amortized cost | $ 14,454,000 |
Due in one year or less, fair value | 14,538,000 |
Due from one year through five years. amortized cost | 58,561,000 |
Due from one year through five years, fair value | 59,116,000 |
Due from five years through ten years, amortized cost | 79,532,000 |
Due from five years through ten years, fair value | 81,073,000 |
Due after ten years, amortized cost | 130,056,000 |
Due after ten years, fair value | 133,056,000 |
Sub-total, amortized cost | 282,603,000 |
Sub-total, fair value | 287,783,000 |
Total, amortized cost | 511,592,000 | $ 334,552,000
Total, fair value | 517,679,000 | 349,332,000
Secured public deposits, trusts and certain other deposits | 189,383,000 | 201,176,000
Investment Securities [Member] |  |
Available-for-sale Securities |  |
Investment pledged as collateral | 241,428,000 | 247,373,000
Residential Passthrough Securities |  |
Available-for-sale Securities |  |
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, amortized cost | 98,048,000 |
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, fair value | 98,181,000 |
Total, amortized cost | 98,048,000 | 36,853,000
Total, fair value | 98,181,000 | 38,176,000
Residential Collateralized Mortgage Obligations |  |
Available-for-sale Securities |  |
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, amortized cost | 44,015,000 |
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, fair value | 44,247,000 |
Total, amortized cost | 44,015,000 | 56,048,000
Total, fair value | 44,247,000 | $ 57,467,000
Commercial mortgage-backed securities |  |
Available-for-sale Securities |  |
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, amortized cost | 86,926,000 |
Mortgage-backed securities issued or guaranteed by U.S. Government agencies or sponsored agencies, fair value | $ 87,468,000 |

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