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FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Amount of off-balance-sheet financial instruments | $ 92,751 | $ 53,288
Maturity of stand by letters of credit and time deposits | one year |
Minimum |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Fixed interest rate off-balance-sheet financial instruments | 3.00% | 3.00%
Variable interest rate off-balance-sheet financial instrument | 1.80% | 2.00%
Commitments term | 1 year | 1 year
Maximum |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Fixed interest rate off-balance-sheet financial instruments | 5.60% | 5.60%
Variable interest rate off-balance-sheet financial instrument | 7.30% | 8.30%
Commitments term | 2 years |
Letters of credit |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Amount of off-balance-sheet financial instruments | $ 51,534 | $ 34,264
Amount of off-balance-sheet financial instruments collateral received | $ 37,300 | $ 26,900

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