FINANCING RECEIVABLES AND OPERATING LEASES (Details) - USD ($) $ in Thousands		3 Months Ended
		Jun. 30, 2019		Jun. 30, 2018	Mar. 31, 2019		Mar. 31, 2018
Profit Recognized for Sales-type Leases [Abstract]
Net sales		$ 4,854
Cost of sales		3,950
Gross Profit		904
Interest Income on Sales-type Leases [Abstract]
Interest Income on sales-type leases		2,095
Lease income on operating leases		5,359
Financing Receivables [Abstract]
Reserve for credit losses		(2,889)		$ (2,842)	$ (2,614)		$ (2,664)
Reported as [Abstract]
Current		98,419			63,767
Future scheduled minimum lease payments [Abstract]
Remainder of Year ending March 31, 2020		49,243
Year ending March 31, 2021		20,723
Year ending March 31, 2022		11,211
Year ending March 31, 2023		3,510
Year ending March 31, 2024 and thereafter		709
Total		85,396
Estimated unguaranteed residual values for direct financing lease		12,326			8,996
Accumulated amortization of initial direct cost		306			275
Investment in operating lease equipment - net [Abstract]
Cost of equipment under operating leases		24,162			21,532
Accumulated depreciation		(10,678)			(10,139)
Investment in operating lease equipment - net	[1]	13,484			11,393
Unguaranteed residual value of operating lease equipment net		3,104			2,906
Future scheduled minimum lease rental payments [Abstract]
Remainder of Year ending March 31, 2020		3,794
Year ending March 31, 2021		3,760
Year ending March 31, 2022		2,498
Year ending March 31, 2023		1,451
Year ending March 31, 2024 and thereafter		443
Total		11,946
Collateral for non-recourse notes payable - Finance receivables		75,600			50,200
Collateral for non-recourse notes payable - Operating leases		7,100			7,800
Gain on sale of financing receivables		3,300		1,300
Proceeds from sale of financing receivables		69,900		46,900
Contract liabilities - servicing of financial assets		400			400
Maximum potential future payments related guarantees		400
Notes Receivables [Member]
Financing Receivables [Abstract]
Minimum payments		63,074			40,563
Estimated unguaranteed residual value		0	[2]		0	[3]
Initial direct costs, net of amortization		319	[4]		377	[5]
Unearned income		0			0
Reserve for credit losses		(520)	[6]	(486)	(505)	[6]	(486)
Total, net		62,873			40,435
Reported as [Abstract]
Current		48,383			30,852
Long-term		14,490			9,583
Total, net		62,873			40,435
Lease-Related Receivables [Member]
Financing Receivables [Abstract]
Minimum payments		85,396			64,201
Estimated unguaranteed residual value		18,768	[2]		14,639	[3]
Initial direct costs, net of amortization		374	[4]		332	[5]
Unearned income		(10,867)			(7,671)
Reserve for credit losses		(512)	[6]	$ (696)	(530)	[6]	$ (640)
Total, net		93,159			70,971
Reported as [Abstract]
Current		50,036			32,914
Long-term		43,123			38,057
Total, net		93,159			70,971
Financing Receivables [Member]
Financing Receivables [Abstract]
Minimum payments		148,470			104,764
Estimated unguaranteed residual value		18,768	[2]		14,639	[3]
Initial direct costs, net of amortization		693	[4]		709	[5]
Unearned income		(10,867)			(7,671)
Reserve for credit losses	[6]	(1,032)			(1,035)
Total, net		156,032			111,406
Reported as [Abstract]
Current		98,419			63,766
Long-term		57,613			47,640
Total, net		$ 156,032			$ 111,406

[1] These totals include estimated unguaranteed residual values of $3,104 thousand and $2,906 thousand as of June 30, 2019 and March 31, 2019, respectively.

[2] Includes estimated unguaranteed residual values of $12,326 thousand for sales type leases, which have been sold and accounted for as sales.

[3] Includes $8,996 thousand for the estimated residual values of sales type leases and direct financing leases for which we sold the financing assets.

[4] Initial direct costs are shown net of amortization of $306 thousand.

[5] Initial direct costs are shown net of amortization of $275 thousand.

[6] For details on reserve for credit losses, refer to Note 7, “Reserves for Credit Losses.”