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CONCENTRATIONS OF CREDIT (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Concentration Risk [Line Items]    
Commitments to expend in excess of capital, secured basis, percentage 20.00% 20.00%
Commitments to expend in excess of capital, secured basis $ 41,298 $ 36,317
Commitments to expend in excess of capital, unsecured basis, percentage 10.00% 10.00%
Commitments to expend in excess of capital, unsecured basis $ 20,649 $ 18,159
Real estate mortgages | Financing Receivable | Loan Portfolio Concentration Risk    
Concentration Risk [Line Items]    
Concentration risk, percentage 83.00% 83.00%