ALLOWANCE FOR CREDIT LOSSES, Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021		Jun. 30, 2020
Activity in reserves for credit losses [Roll Forward]
Balance	$ 4,447		$ 3,189
Provision for credit losses	(261)		787
Write-offs and other	(22)		0
Balance	4,164		3,976
Accounts Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	2,064		1,781
Provision for credit losses	(40)		329
Write-offs and other	(22)		0
Balance	2,002		2,110
Notes Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	1,212	[1]	798
Provision for credit losses	77		341
Write-offs and other	0		0
Balance	1,289	[1]	1,139
Lease Receivables [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	1,171	[1]	610
Provision for credit losses	(298)		117
Write-offs and other	0		0
Balance	$ 873	[1]	$ 727

[1] Refer to Note 6, “Allowance for Credit Losses” for details.