RESERVES FOR CREDIT LOSSES (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2018		Jun. 30, 2017	Jun. 30, 2018		Mar. 31, 2018
Activity in reserves for credit losses [Roll Forward]
Balance	$ 2,664		$ 5,392
Provision for credit losses	179		268
Write-offs and other	(1)		(3,186)
Balance	2,842		2,474
Reserve for credit losses [Abstract]
Ending balance	2,664		5,392	$ 2,842		$ 2,664
Accounts Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	1,538		1,279
Provision for credit losses	123		(1)
Write-offs and other	(1)		0
Balance	1,660		1,278
Reserve for credit losses [Abstract]
Ending balance	1,538		1,279	1,660		1,538
Notes Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	486	[1]	3,434
Provision for credit losses	0		67
Write-offs and other	0		(3,021)
Balance	486	[1]	480
Reserve for credit losses [Abstract]
Ending balance: collectively evaluated for impairment				424		424
Ending balance: individually evaluated for impairment				62		62
Ending balance	486	[1]	3,434	486	[1]	486	[1]
Minimum payments [Abstract]
Ending balance: collectively evaluated for impairment				53,715		62,930
Ending balance: individually evaluated for impairment				62		62
Ending balance				53,777		62,992
Lease-Related Receivables [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	640	[1]	679
Provision for credit losses	56		202
Write-offs and other	0		(165)
Balance	696	[1]	716
Reserve for credit losses [Abstract]
Ending balance: collectively evaluated for impairment				696		640
Ending balance: individually evaluated for impairment				0		0
Ending balance	$ 640	[1]	$ 679	696	[1]	640	[1]
Minimum payments [Abstract]
Ending balance: collectively evaluated for impairment				74,522		65,943
Ending balance: individually evaluated for impairment				0		0
Ending balance				$ 74,522		$ 65,943

[1] For details on reserve for credit losses, refer to Note 6, "Reserves for Credit Losses."