Allowance for Credit Losses and Credit Quality Information (Payment Performance On A Contractual Basis) (Details) - USD ($)	Mar. 31, 2024	Mar. 31, 2023
Financing Receivable, Recorded Investment [Line Items]
Gross loans receivable	$ 1,277,149,256	$ 1,390,015,568
Loans
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	1,185,366,456	1,309,447,905
Financing receivable, between 1 and 2 years ago	73,209,183	75,283,901
Financing receivable, between 2 and 3 years ago	5,983,076	2,411,623
Financing receivable, between 3 and 4 years ago	143,550	261,137
Financing receivable, between 4 and 5 years ago	45,747	36,864
Financing receivable, more than 5 years ago	12,236	12,084
Loans | Consumer Loan
Financing Receivable, Recorded Investment [Line Items]
Gross loans receivable	1,264,760,248	1,387,453,514
Loans | 30 - 60 days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	34,034,537	40,791,746
Financing receivable, between 1 and 2 years ago	4,600,615	4,689,867
Financing receivable, between 2 and 3 years ago	610,649	160,956
Financing receivable, between 3 and 4 years ago	10,856	42,700
Financing receivable, between 4 and 5 years ago	14,076	8,504
Financing receivable, more than 5 years ago	5,429	2,988
Gross loans receivable	39,276,162	45,696,761
Loans | 61 - 90 days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	21,874,701	26,319,250
Financing receivable, between 1 and 2 years ago	2,154,561	2,572,733
Financing receivable, between 2 and 3 years ago	200,117	92,088
Financing receivable, between 3 and 4 years ago	17,493	40,281
Financing receivable, between 4 and 5 years ago	204	884
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	24,247,076	29,025,236
Loans | 91 or more days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	34,560,868	41,832,821
Financing receivable, between 1 and 2 years ago	4,600,040	5,944,645
Financing receivable, between 2 and 3 years ago	364,386	160,361
Financing receivable, between 3 and 4 years ago	6,151	29,494
Financing receivable, between 4 and 5 years ago	5,617	4,430
Financing receivable, more than 5 years ago	5,436	2,233
Gross loans receivable	39,542,498	47,973,984
Tax Advance Loan
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	12,384,417	2,542,860
Financing receivable, between 1 and 2 years ago	4,591	19,194
Financing receivable, between 2 and 3 years ago	0	0
Financing receivable, between 3 and 4 years ago	0	0
Financing receivable, between 4 and 5 years ago	0	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	12,389,008	2,562,054
Tax Advance Loan | 30 - 60 days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	4,942,757	609,844
Financing receivable, between 1 and 2 years ago	788	736
Financing receivable, between 2 and 3 years ago	0	0
Financing receivable, between 3 and 4 years ago	0	0
Financing receivable, between 4 and 5 years ago	0	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	4,943,545	610,580
Tax Advance Loan | 61 - 90 days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	0	0
Financing receivable, between 1 and 2 years ago	1,650	4,845
Financing receivable, between 2 and 3 years ago	0	0
Financing receivable, between 3 and 4 years ago	0	0
Financing receivable, between 4 and 5 years ago	0	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	1,650	4,845
Tax Advance Loan | 91 or more days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	0	409
Financing receivable, between 1 and 2 years ago	1,293	10,089
Financing receivable, between 2 and 3 years ago	0	0
Financing receivable, between 3 and 4 years ago	0	0
Financing receivable, between 4 and 5 years ago	0	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	1,293	10,498
Performing Financing Receivables | Loans
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	1,094,896,350	1,200,504,088
Financing receivable, between 1 and 2 years ago	61,853,967	62,076,656
Financing receivable, between 2 and 3 years ago	4,807,924	1,998,218
Financing receivable, between 3 and 4 years ago	109,050	148,662
Financing receivable, between 4 and 5 years ago	25,850	23,046
Financing receivable, more than 5 years ago	1,371	6,863
Performing Financing Receivables | Loans | Consumer Loan
Financing Receivable, Recorded Investment [Line Items]
Gross loans receivable	1,161,694,512	1,264,757,533
Performing Financing Receivables | Tax Advance Loan
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	7,441,660	1,932,607
Financing receivable, between 1 and 2 years ago	860	3,524
Financing receivable, between 2 and 3 years ago	0	0
Financing receivable, between 3 and 4 years ago	0	0
Financing receivable, between 4 and 5 years ago	0	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	7,442,520	1,936,131
Contractual basis
Financing Receivable, Recorded Investment [Line Items]
Gross loans receivable	1,277,149,256	1,390,015,568
Contractual basis | 30 - 60 days past due
Financing Receivable, Recorded Investment [Line Items]
Gross loans receivable	46,096,561	51,702,239
Contractual basis | 61 - 90 days past due
Financing Receivable, Recorded Investment [Line Items]
Gross loans receivable	29,306,328	36,094,628
Contractual basis | 91 or more days past due
Financing Receivable, Recorded Investment [Line Items]
Gross loans receivable	56,080,627	70,771,312
Contractual basis | Loans
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	1,185,366,457	1,309,447,906
Financing receivable, between 1 and 2 years ago	73,209,184	75,283,901
Financing receivable, between 2 and 3 years ago	5,983,075	2,411,623
Financing receivable, between 3 and 4 years ago	143,549	261,137
Financing receivable, between 4 and 5 years ago	45,747	36,863
Financing receivable, more than 5 years ago	12,236	12,084
Contractual basis | Loans | Consumer Loan
Financing Receivable, Recorded Investment [Line Items]
Gross loans receivable	1,264,760,248	1,387,453,514
Contractual basis | Loans | 30 - 60 days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	37,475,784	47,346,331
Financing receivable, between 1 and 2 years ago	3,388,380	3,661,493
Financing receivable, between 2 and 3 years ago	288,576	77,857
Financing receivable, between 3 and 4 years ago	1,064	6,714
Financing receivable, between 4 and 5 years ago	0	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	41,153,804	51,092,395
Contractual basis | Loans | 61 - 90 days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	26,191,269	33,012,804
Financing receivable, between 1 and 2 years ago	2,903,253	3,030,052
Financing receivable, between 2 and 3 years ago	208,172	44,129
Financing receivable, between 3 and 4 years ago	3,430	7,643
Financing receivable, between 4 and 5 years ago	204	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	29,306,328	36,094,628
Contractual basis | Loans | 91 or more days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	41,978,436	54,851,010
Financing receivable, between 1 and 2 years ago	12,147,320	14,940,345
Financing receivable, between 2 and 3 years ago	1,805,223	735,493
Financing receivable, between 3 and 4 years ago	99,134	182,547
Financing receivable, between 4 and 5 years ago	35,059	31,721
Financing receivable, more than 5 years ago	10,865	10,593
Gross loans receivable	56,076,037	70,751,709
Contractual basis | Tax Advance Loan
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	12,384,418	2,542,860
Financing receivable, between 1 and 2 years ago	4,590	19,194
Financing receivable, between 2 and 3 years ago	0	0
Financing receivable, between 3 and 4 years ago	0	0
Financing receivable, between 4 and 5 years ago	0	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	12,389,008	2,562,054
Contractual basis | Tax Advance Loan | 30 - 60 days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	4,942,757	609,844
Financing receivable, between 1 and 2 years ago	0	0
Financing receivable, between 2 and 3 years ago	0	0
Financing receivable, between 3 and 4 years ago	0	0
Financing receivable, between 4 and 5 years ago	0	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	4,942,757	609,844
Contractual basis | Tax Advance Loan | 61 - 90 days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	0	0
Financing receivable, between 1 and 2 years ago	0	0
Financing receivable, between 2 and 3 years ago	0	0
Financing receivable, between 3 and 4 years ago	0	0
Financing receivable, between 4 and 5 years ago	0	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	0	0
Contractual basis | Tax Advance Loan | 91 or more days past due
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	0	409
Financing receivable, between 1 and 2 years ago	4,590	19,194
Financing receivable, between 2 and 3 years ago	0	0
Financing receivable, between 3 and 4 years ago	0	0
Financing receivable, between 4 and 5 years ago	0	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	4,590	19,603
Contractual basis | Performing Financing Receivables | Loans
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	1,079,720,968	1,174,237,761
Financing receivable, between 1 and 2 years ago	54,770,231	53,652,011
Financing receivable, between 2 and 3 years ago	3,681,104	1,554,144
Financing receivable, between 3 and 4 years ago	39,921	64,233
Financing receivable, between 4 and 5 years ago	10,484	5,142
Financing receivable, more than 5 years ago	1,371	1,491
Contractual basis | Performing Financing Receivables | Loans | Consumer Loan
Financing Receivable, Recorded Investment [Line Items]
Gross loans receivable	1,138,224,079	1,229,514,782
Contractual basis | Performing Financing Receivables | Tax Advance Loan
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, up to 1 year ago	7,441,661	1,932,607
Financing receivable, between 1 and 2 years ago	0	0
Financing receivable, between 2 and 3 years ago	0	0
Financing receivable, between 3 and 4 years ago	0	0
Financing receivable, between 4 and 5 years ago	0	0
Financing receivable, more than 5 years ago	0	0
Gross loans receivable	$ 7,441,661	$ 1,932,607