ALLOWANCE FOR CREDIT LOSSES, Activity (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2021		Sep. 30, 2020
Activity in reserves for credit losses [Roll Forward]
Balance	$ 4,447		$ 3,189
Provision for credit losses	98		1,766
Write-offs and other	(70)		(61)
Balance	4,475		4,894
Accounts Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	2,064		1,781
Provision for credit losses	116		576
Write-offs and other	(64)		(27)
Balance	2,116		2,330
Notes Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	1,212	[1]	798
Provision for credit losses	479		566
Write-offs and other	(4)		(27)
Balance	1,687	[1]	1,337
Lease Receivables [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	1,171	[1]	610
Provision for credit losses	(497)		624
Write-offs and other	(2)		(7)
Balance	$ 672	[1]	$ 1,227

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