COMMITMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES - Interest Rate Ranges On Commitments And Open Ended Revolving Lines Of Credit (Details)	Dec. 31, 2019	Dec. 31, 2018
Working capital lines of credit loans | Minimum
Commitments Off-Balance Sheet Risks and Contingencies
Fixed Rate	0.75%	0.75%
Variable Rate	2.65%	2.65%
Working capital lines of credit loans | Maximum
Commitments Off-Balance Sheet Risks and Contingencies
Fixed Rate	14.50%	14.50%
Variable Rate	9.25%	10.00%
Real Estate Mortgage Loans [Member] | Minimum
Commitments Off-Balance Sheet Risks and Contingencies
Fixed Rate	3.13%	3.75%
Variable Rate	3.75%	3.75%
Real Estate Mortgage Loans [Member] | Maximum
Commitments Off-Balance Sheet Risks and Contingencies
Fixed Rate	4.00%	6.13%
Variable Rate	4.25%	11.00%
Consumer loan open-ended revolving line
Commitments Off-Balance Sheet Risks and Contingencies
Fixed Rate	15.00%	15.00%
Consumer loan open-ended revolving line | Minimum
Commitments Off-Balance Sheet Risks and Contingencies
Variable Rate	3.88%	3.88%
Consumer loan open-ended revolving line | Maximum
Commitments Off-Balance Sheet Risks and Contingencies
Variable Rate	15.00%	15.00%