Acquisitions (Details)	12 Months Ended
	Mar. 31, 2024 USD ($) acquisition	Mar. 31, 2023 USD ($) acquisition	Mar. 31, 2022 USD ($) acquisition
Business Acquisition [Line Items]
Number of asset purchases | acquisition	1	50	50
Total acquisitions | acquisition	1	50	50
Loans receivable, net	$ 2,133,410	$ 28,322,554	$ 9,631,112
Purchase price amount over (below) carrying value of net tangible assets	(154,595)	(5,190,796)	1,228,872
Customer lists	0	0	952,872
Non-compete agreements	$ 0	0	276,000
Average loan life	12 months
Gain on asset acquisitions, net of income tax	$ 112,683	3,993,168	0
Insurance And Other Income Net
Business Acquisition [Line Items]
Gain on asset acquisitions, net of income tax	154,600	5,200,000
Income tax related to asset acquisition	41,900	1,200,000
Series of Business Acquisitions
Business Acquisition [Line Items]
Purchase price	$ 1,978,815	$ 23,131,758	$ 10,859,984