RESERVES FOR CREDIT LOSSES, Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019		Jun. 30, 2018
Activity in reserves for credit losses [Roll Forward]
Balance	$ 2,614		$ 2,664
Provision for credit losses	281		179
Write-offs and other	(6)		(1)
Balance	2,889		2,842
Accounts Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	1,579		1,538
Provision for credit losses	281		123
Write-offs and other	(3)		(1)
Balance	1,857		1,660
Notes Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	505	[1]	486
Provision for credit losses	16		0
Write-offs and other	(1)		0
Balance	520	[1]	486
Lease-Related Receivables [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	530	[1]	640
Provision for credit losses	(16)		56
Write-offs and other	(2)		0
Balance	$ 512	[1]	$ 696

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