Revenue Recognition (Detail Textuals)	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Deferred Revenue Disclosure [Abstract]
Interest income accrual on finance receivables suspension condition	Accrual of interest income on finance receivables is suspended when a loan enters bankruptcy status, is contractually delinquent for 60 days or more or the collateral is repossessed, whichever is earlier. Chapter 13 bankruptcy accounts are accounted for under the cost-recovery method.
Average dealer discount associated with new volume	7.15%	7.54%