Allowance for Credit Losses and Credit Quality Information (Summary of Past Due Receivables) (Details) - USD ($)	Mar. 31, 2021	Mar. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	$ 1,104,746,261	$ 1,209,871,366
Unearned interest, insurance and fees	279,364,584	308,980,724
Total net loans		900,890,642
Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	8,316,011
Performing Financing Receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans		$ 1,104,130,714
Recency Basis
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	1,104,746,261
Unearned interest, insurance and fees	(279,364,584)
Total net loans	$ 825,381,677
Financing receivable, percent past due	7.10%	10.50%
Recency Basis | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	$ 8,316,011
Recency Basis | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	92,378,094
Recency Basis | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	106,742,122
Recency Basis | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	169,361,911
Recency Basis | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	130,655,627
Recency Basis | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	597,292,496
Recency Basis | Performing Financing Receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,026,161,065
Unearned interest, insurance and fees	(259,492,219)
Total net loans	766,668,846
Recency Basis | Performing Financing Receivables | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	7,592,435
Recency Basis | Performing Financing Receivables | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	72,702,970
Recency Basis | Performing Financing Receivables | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	94,466,209
Recency Basis | Performing Financing Receivables | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	158,217,605
Recency Basis | Performing Financing Receivables | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	123,542,346
Recency Basis | Performing Financing Receivables | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	569,639,500
Recency Basis | 30-60 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	24,742,398	$ 48,206,910
Unearned interest, insurance and fees	(6,256,776)
Total net loans	$ 18,485,622
Financing receivable, percent past due	2.20%
Recency Basis | 30-60 days past due | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	$ 688,090
Recency Basis | 30-60 days past due | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	4,799,102
Total Loans	92,378,097
Recency Basis | 30-60 days past due | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	3,187,347
Total Loans	106,742,121
Recency Basis | 30-60 days past due | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	3,570,696
Total Loans	169,361,910
Recency Basis | 30-60 days past due | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	2,432,489
Total Loans	130,655,627
Recency Basis | 30-60 days past due | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	10,064,674
Total Loans	597,292,495
Recency Basis | 61-90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	19,348,757	28,450,942
Unearned interest, insurance and fees	(4,892,850)
Total net loans	$ 14,455,907
Financing receivable, percent past due	1.80%
Recency Basis | 61-90 days past due | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	$ 321
Recency Basis | 61-90 days past due | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	5,680,380
Recency Basis | 61-90 days past due | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	2,798,411
Recency Basis | 61-90 days past due | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	2,592,402
Recency Basis | 61-90 days past due | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	1,753,291
Recency Basis | 61-90 days past due | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	6,523,952
Recency Basis | 91 days or more past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	34,494,041	50,669,837
Unearned interest, insurance and fees	(8,722,739)
Total net loans	$ 25,771,302
Financing receivable, percent past due	3.10%
Recency Basis | 91 days or more past due | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	$ 35,165
Recency Basis | 91 days or more past due | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	9,195,642
Recency Basis | 91 days or more past due | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	6,290,155
Recency Basis | 91 days or more past due | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	4,981,208
Recency Basis | 91 days or more past due | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	2,927,501
Recency Basis | 91 days or more past due | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	11,064,370
Recency Basis | Total
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	78,585,196	$ 127,327,689
Unearned interest, insurance and fees	(19,872,365)
Total net loans	58,712,831
Recency Basis | Total | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	723,576
Recency Basis | Total | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	19,675,124
Recency Basis | Total | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	12,275,913
Recency Basis | Total | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	11,144,306
Recency Basis | Total | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	7,113,281
Recency Basis | Total | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	27,652,996
Contractual basis
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	1,104,746,261
Unearned interest, insurance and fees	(279,364,584)
Total net loans	$ 825,381,677
Financing receivable, percent past due	9.70%	12.80%
Contractual basis | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	$ 8,316,011
Contractual basis | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	92,378,095
Contractual basis | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	106,742,121
Contractual basis | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	169,361,910
Contractual basis | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	130,655,628
Contractual basis | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	597,292,496
Contractual basis | Performing Financing Receivables
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	997,206,715
Unearned interest, insurance and fees	(252,170,339)
Total net loans	745,036,376
Contractual basis | Performing Financing Receivables | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	7,583,075
Contractual basis | Performing Financing Receivables | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	70,532,439
Contractual basis | Performing Financing Receivables | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	90,679,304
Contractual basis | Performing Financing Receivables | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	153,922,334
Contractual basis | Performing Financing Receivables | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	120,168,698
Contractual basis | Performing Financing Receivables | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	554,320,865
Contractual basis | 30-60 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	31,933,140	$ 49,137,102
Unearned interest, insurance and fees	(8,075,147)
Total net loans	$ 23,857,993
Financing receivable, percent past due	2.90%
Contractual basis | 30-60 days past due | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	$ 686,667
Contractual basis | 30-60 days past due | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	5,245,878
Contractual basis | 30-60 days past due | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	3,936,937
Contractual basis | 30-60 days past due | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	4,471,202
Contractual basis | 30-60 days past due | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	3,229,253
Contractual basis | 30-60 days past due | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	14,363,203
Contractual basis | 61-90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	24,514,370	35,020,925
Unearned interest, insurance and fees	(6,199,113)
Total net loans	$ 18,315,257
Financing receivable, percent past due	2.20%
Contractual basis | 61-90 days past due | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	$ 0
Contractual basis | 61-90 days past due | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	6,019,264
Contractual basis | 61-90 days past due | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	3,267,446
Contractual basis | 61-90 days past due | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	3,488,629
Contractual basis | 61-90 days past due | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	2,337,625
Contractual basis | 61-90 days past due | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	9,401,406
Contractual basis | 91 days or more past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	51,092,036	70,719,727
Unearned interest, insurance and fees	(12,919,985)
Total net loans	$ 38,172,051
Financing receivable, percent past due	4.60%
Contractual basis | 91 days or more past due | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	$ 46,269
Contractual basis | 91 days or more past due | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	10,580,514
Contractual basis | 91 days or more past due | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	8,858,434
Contractual basis | 91 days or more past due | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	7,479,745
Contractual basis | 91 days or more past due | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	4,920,052
Contractual basis | 91 days or more past due | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	19,207,022
Contractual basis | Total
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	107,539,546	$ 154,877,754
Unearned interest, insurance and fees	(27,194,245)
Total net loans	80,345,301
Contractual basis | Total | Tax Advance Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	732,936
Contractual basis | Total | 0 to 5 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	21,845,656
Contractual basis | Total | 6 to 17 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	16,062,817
Contractual basis | Total | 18 to 35 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	15,439,576
Contractual basis | Total | 36 to 59 months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	10,486,930
Contractual basis | Total | 60+ Months
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	$ 42,971,631