CREDIT FACILITY AND NOTES PAYABLE (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Oct. 13, 2021	Sep. 30, 2021
Notes Payable [Member] | Recourse [Member]
Notes Payable [Abstract]
Long-term Debt	$ 51.4
Weighted average interest rate of notes	3.50%	3.50%
Notes Payable [Member] | Recourse [Member] | Note Payable One Installment Arrangement [Member]
Notes Payable [Abstract]
Long-term Debt	$ 11.4
Notes Payable [Member] | Non-recourse [Member]
Notes Payable [Abstract]
Long-term Debt	$ 26.4	$ 21.2
Weighted average interest rate of notes	3.78%	3.59%
Revolving Credit Facility [Member]
Credit Facility [Abstract]
Maximum borrowing capacity under credit facility			$ 100.0
Revolving Credit Facility [Member] | Notes Payable [Member] | Recourse [Member]
Notes Payable [Abstract]
Long-term Debt	$ 40.0
2021 Credit Facility [Member]
Credit Facility [Abstract]
Maximum borrowing capacity under credit facility			$ 375.0
Guarantor obligations for credit facility, maximum	$ 10.5
2021 Credit Facility [Member] | LIBOR [Member]
Credit Facility [Abstract]
Basis spread on reference rate	1.75%
Debt instrument term of variable rate	one-month, three-month, six-month, and 12-month
Debt instrument floor rate	0.00%
WFCDF [Member] | Floor Plan Facility [Member]
Credit Facility [Abstract]
Amount outstanding under credit facility	$ 138.0	$ 145.3
WFCDF [Member] | Revolving Credit Facility [Member]
Credit Facility [Abstract]
Amount outstanding under credit facility	$ 40.0	$ 0.0
WFCDF [Member] | 2021 Credit Facility [Member]
Credit Facility [Abstract]
Maximum borrowing capacity under credit facility				$ 275.0
Initial term	1 year
Renewal term	1 year
Period of notice required to terminate credit facility at year end	90 days