COMMITMENTS, CONTINGENCIES, AND CONCENTRATIONS OF CREDIT RISK - Additional Information (Details)	12 Months Ended
	Dec. 31, 2020
Commitments And Contingencies [Line Items]
Loan commitments	90 days
Maximum [Member]
Commitments And Contingencies [Line Items]
Fixed Rate Loan Commitments Interest Rate	18.00%
Fixed Rate Loan Commitments Maturity Period	30 years
Minimum [Member]
Commitments And Contingencies [Line Items]
Fixed Rate Loan Commitments Interest Rate	0.50%
Fixed Rate Loan Commitments Maturity Period	1 year