Insurance and Other Income (Details) - USD ($)	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Components of Other Income [Line Items]
Insurance and other income	$ 74,419,765	$ 81,702,244	$ 75,388,648
Insurance commissions
Components of Other Income [Line Items]
Insurance and other income	44,214,454	50,360,730	45,182,596
Tax return preparation revenue
Components of Other Income [Line Items]
Insurance and other income	18,098,087	20,936,447	21,454,117
Auto club membership revenue
Components of Other Income [Line Items]
Insurance and other income	7,863,145	6,254,748	4,452,018
Other
Components of Other Income [Line Items]
Insurance and other income	$ 4,244,079	$ 4,150,319	$ 4,299,917