FINANCING RECEIVABLES AND OPERATING LEASES (Details) - USD ($) $ in Thousands		12 Months Ended
		Mar. 31, 2021		Mar. 31, 2020		Mar. 31, 2019	Mar. 31, 2018
Profit Recognized for Sales-type Leases [Abstract]
Net sales		$ 27,196		$ 15,631
Cost of sales		17,855		13,039
Gross profit		9,341		2,592
Interest Income on Sales-type Leases [Abstract]
Interest income on sales-type leases		7,602		6,623
Lease income on operating leases		15,864		18,534
Financing Receivables, Net [Abstract]
Estimated unguaranteed residual value		9,453
Initial direct costs, net of amortization		425
Allowance for credit losses		(4,447)		(3,189)		$ (2,614)	$ (2,664)
Reported as [Abstract]
Current		106,272		70,169
Unguaranteed residual value for sales-type leases		9,453		14,972
Future scheduled minimum lease payments [Abstract]
Year ending March 31, 2022		36,900
2023		16,358
2024		9,628
2025		3,356
2026 and thereafter		2,151
Total		68,393
Investment in operating lease equipment - net [Abstract]
Cost of equipment under operating leases		18,748		21,276
Accumulated depreciation		(7,870)		(11,159)
Investment in operating lease equipment - net	[1]	10,878		10,117
Unguaranteed residual value of operating lease equipment net		2,500		3,100
Future scheduled minimum lease rental payments [Abstract]
Year ending March 31, 2022		4,744
2023		3,756
2024		1,034
2025		37
Total		9,571
Collateral for non-recourse notes payable - Financing receivables		60,500		34,600
Collateral for non-recourse notes payable - Operating leases		3,300		6,700
Gain on sale of financing receivables		14,500		21,800		9,100
Proceeds from sale of financing receivables		364,000		593,700		276,100
Deferred revenue for servicing obligation		400		400
Notes Receivable [Member]
Financing Receivables, Net [Abstract]
Gross receivables/ Minimum payments		112,641		55,417
Estimated unguaranteed residual value		0	[2]	0	[3]
Initial direct costs, net of amortization		425		212
Unearned income		0		0
Allowance for credit losses		(1,212)	[4]	(798)	[4]	(505)	(486)
Total, net		111,854		54,831
Reported as [Abstract]
Current		73,175		31,181
Long-term		38,679		23,650
Total, net		111,854		54,831
Lease Receivables [Member]
Financing Receivables, Net [Abstract]
Gross receivables/ Minimum payments		68,393		69,492
Estimated unguaranteed residual value		14,876	[2]	21,862	[3]
Initial direct costs, net of amortization		0		247
Unearned income		(8,393)		(11,612)
Allowance for credit losses		(1,171)	[4]	(610)	[4]	$ (530)	$ (640)
Total, net		73,705		79,379
Reported as [Abstract]
Current		33,097		38,988
Long-term		40,608		40,391
Total, net		73,705		79,379
Financing Receivables [Member]
Financing Receivables, Net [Abstract]
Gross receivables/ Minimum payments		181,034		124,909
Estimated unguaranteed residual value		14,876	[2]	21,862	[3]
Initial direct costs, net of amortization		425		459
Unearned income		(8,393)		(11,612)
Allowance for credit losses	[4]	(2,383)		(1,408)
Total, net		185,559		134,210
Reported as [Abstract]
Current		106,272		70,169
Long-term		79,287		64,041
Total, net		$ 185,559		$ 134,210

[1] Amounts include estimated unguaranteed residual values of $2.5 million and $3.1 million as of March 31, 2021, and 2020, respectively.

[2] Includes unguaranteed residual values of $9,453 thousand that we retained after selling the related lease receivable.

[3] Includes unguaranteed residual values of $14,972 thousand for sales type leases, which have been sold and accounted for as sales.

[4] Refer to Note 7, “Allowance for Credit Losses” for details.