Insurance Commissions and Other Income (Details) - USD ($)	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Components of Other Income [Line Items]
Insurance commissions and other income	$ 75,388,648	$ 66,966,829	$ 62,950,604
Insurance commissions [Member]
Components of Other Income [Line Items]
Insurance commissions and other income	45,182,596	41,959,092	40,848,245
Tax return preparation revenue [Member]
Components of Other Income [Line Items]
Insurance commissions and other income	21,454,117	16,801,909	14,695,769
Auto club membership revenue [Member]
Components of Other Income [Line Items]
Insurance commissions and other income	4,452,018	3,373,023	2,515,282
Other [Member]
Components of Other Income [Line Items]
Insurance commissions and other income	$ 4,299,917	$ 4,832,805	$ 4,891,308