FINANCE RECEIVABLES AND ALLOWANCE FOR CREDIT LOSSES (Nonaccrual) (Details) - USD ($)	3 Months Ended	9 Months Ended
	Dec. 31, 2020	Dec. 31, 2020	Mar. 31, 2020
Financing Receivable, Nonaccrual [Line Items]
Uncollected accrued interest reversed	$ 6,400,000	$ 16,200,000
Financing receivable, nonaccrual	62,792,443	62,792,443	$ 83,126,604
Financing receivable, nonaccrual, no allowance	0	0
Interest Income Recognized		10,224,550
Nonaccrual status
Financing Receivable, Nonaccrual [Line Items]
Unearned interest, insurance and fees	(22,635,352)	(22,635,352)	(28,510,140)
61 - 90 days past due
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	0	0
Tax Advance Loan
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	296,191	296,191	41,573
Financing receivable, nonaccrual, no allowance	0	0
Tax Advance Loan | 61 - 90 days past due
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	0	0
0 to 5 months
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	12,725,225	12,725,225	26,040,593
Financing receivable, nonaccrual, no allowance	0	0
Interest Income Recognized		1,283,886
0 to 5 months | 61 - 90 days past due
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	0	0
6 to 17 months
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	16,352,270	16,352,270	17,466,450
Financing receivable, nonaccrual, no allowance	0	0
Interest Income Recognized		1,617,925
6 to 17 months | 61 - 90 days past due
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	0	0
18 to 35 months
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	13,429,551	13,429,551	13,723,295
Financing receivable, nonaccrual, no allowance	0	0
Interest Income Recognized		1,418,093
18 to 35 months | 61 - 90 days past due
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	0	0
36 to 59 months
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	8,794,918	8,794,918	10,071,288
Financing receivable, nonaccrual, no allowance	0	0
Interest Income Recognized		1,082,178
36 to 59 months | 61 - 90 days past due
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	0	0
60+ Months
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	33,829,640	33,829,640	$ 44,293,545
Financing receivable, nonaccrual, no allowance	0	0
Interest Income Recognized		4,822,468
60+ Months | 61 - 90 days past due
Financing Receivable, Nonaccrual [Line Items]
Financing receivable, nonaccrual	$ 0	$ 0