NOTES PAYABLE AND CREDIT FACILITY (Details) $ in Thousands	6 Months Ended
	Sep. 30, 2016 USD ($) Component	Jul. 28, 2016 USD ($)	Mar. 31, 2016 USD ($)
Recourse Notes Payable [Abstract]
Current	$ 1,950		$ 2,288
Long-term	667		1,054
Non-recourse Notes Payable Secured by Financing Receivables and Investments in Operating Leases [Abstract]
Current	43,796		26,042
Long-term	10,980		18,038
Guarantor obligations for credit facility, maximum	$ 1,100
WFCDF [Member]
Non-recourse Notes Payable Secured by Financing Receivables and Investments in Operating Leases [Abstract]
Number of components under credit facility | Component	2
Maximum amount can be borrowed under credit facility	$ 300,000	$ 250,000
Period of notice required to terminate credit facility at year end	90 days
Period of filing of financial statements for each quarter end	45 days
Guarantor obligations for credit facility, maximum	$ 10,500
WFCDF [Member] | One Month LIBOR [Member]
Non-recourse Notes Payable Secured by Financing Receivables and Investments in Operating Leases [Abstract]
Basis spread on reference rate	2.50%
Account Receivable Component [Member] | WFCDF [Member]
Non-recourse Notes Payable Secured by Financing Receivables and Investments in Operating Leases [Abstract]
Amount outstanding under credit facility	$ 0		0
Maximum amount can be borrowed under credit facility	30,000
Floor Plan Component [Member] | WFCDF [Member]
Non-recourse Notes Payable Secured by Financing Receivables and Investments in Operating Leases [Abstract]
Amount outstanding under credit facility	150,100		121,900
Recourse Note Payable [Member]
Recourse Notes Payable [Abstract]
Current	1,950		2,288
Long-term	667		1,054
Total recourse notes payable	$ 2,617		$ 3,342
Non-recourse Notes Payable Secured by Financing Receivables and Investments in Operating Leases [Abstract]
Weighted average interest rate of notes	3.11%		3.24%
Recourse Note Payable [Member] | Minimum [Member]
Non-recourse Notes Payable Secured by Financing Receivables and Investments in Operating Leases [Abstract]
Interest rate of notes	2.70%		2.70%
Recourse Note Payable [Member] | Maximum [Member]
Non-recourse Notes Payable Secured by Financing Receivables and Investments in Operating Leases [Abstract]
Interest rate of notes	4.13%		4.13%
Non-Recourse Note Payable [Member]
Non-recourse Notes Payable Secured by Financing Receivables and Investments in Operating Leases [Abstract]
Current	$ 43,796		$ 26,042
Long-term	10,980		18,038
Total non-recourse notes payable	$ 54,776		$ 44,080
Weighted average interest rate of notes	2.94%		3.13%
Non-Recourse Note Payable [Member] | Minimum [Member]
Non-recourse Notes Payable Secured by Financing Receivables and Investments in Operating Leases [Abstract]
Interest rate of notes	1.93%		1.70%
Non-Recourse Note Payable [Member] | Maximum [Member]
Non-recourse Notes Payable Secured by Financing Receivables and Investments in Operating Leases [Abstract]
Interest rate of notes	7.50%		8.50%