Allowance for Credit Losses and Credit Quality Information - Company’s Gross Charge-Offs By Year of Origination (Details) - USD ($)	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Financing Receivable, Recorded Investment [Line Items]
2021 and prior	$ 12,812	$ 25,437	$ 17,352
2022	145,042	29,714	53,791
2023	710,316	797,055	301,162
2024	7,744,205	9,372,797	11,100,405
2025	118,195,492	117,055,972	134,033,295
2026	71,205,614	63,515,257	65,038,754
Total	198,013,481	190,796,232	210,544,759
Loans
Financing Receivable, Recorded Investment [Line Items]
2021 and prior	12,812	25,437	17,352
2022	145,042	29,714	53,791
2023	710,316	797,055	301,162
2024	7,561,145	9,372,562	11,095,208
2025	115,991,453	113,281,140	132,745,783
2026	71,205,614	63,515,257	65,038,754
Total	195,626,382	187,021,165	209,252,050
Tax Advance Loan
Financing Receivable, Recorded Investment [Line Items]
2021 and prior	0	0	0
2022	0	0	0
2023	0	0	0
2024	183,060	235	5,197
2025	2,204,039	3,774,832	1,287,512
2026	0	0	0
Total	$ 2,387,099	$ 3,775,067	$ 1,292,709

Amount of writeoff of financing receivable, charged against allowance for credit loss.

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