ALLOWANCE FOR LOAN LOSSES Financing Receivables (Details) - USD ($)	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 1,372,768,580	$ 1,127,957,383	$ 1,258,907,905
Small loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	901,610,938	736,643,663	857,862,767
Large loans [Member] [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	470,962,956	383,686,372	400,936,499
Sales finance loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 194,686	$ 7,627,348	$ 108,639