RESERVES FOR CREDIT LOSSES (Details) (USD $)	6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Mar. 31, 2012
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 5,606,000	$ 2,771,000
Provision for bad debts	(70,000)	107,000
Write-offs and other	(51,000)	(226,000)
Ending balance	5,485,000	2,652,000
Reserve for credit losses: [Abstract]
Ending balance			1,336,000
Minimum payments [Abstract]
Reserve for credit losses	5,485,000	2,652,000
Total receivable	194,344,000		174,599,000
Estimated loss on receivable	2,900,000
Accounts Receivable [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,307,000	944,000
Provision for bad debts	(206,000)	129,000
Write-offs and other	(48,000)	(224,000)
Ending balance	1,053,000	849,000
Minimum payments [Abstract]
Reserve for credit losses	1,053,000	849,000
Notes Receivable [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,963,000	94,000
Provision for bad debts	117,000	162,000
Write-offs and other	0	0
Ending balance	3,080,000	256,000
Reserve for credit losses: [Abstract]
Ending balance: collectively evaluated for impairment	133,000		298,000
Ending balance: individually evaluated for impairment	2,947,000		2,665,000
Ending balance	3,080,000		2,963,000
Minimum payments [Abstract]
Ending balance: collectively evaluated for impairment	17,728,000		22,944,000
Ending balance: individually evaluated for impairment	3,500,000		4,356,000
Ending balance	21,228,000		27,300,000
Reserve for credit losses	3,080,000	256,000
Lease-Related Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	1,336,000	1,733,000
Provision for bad debts	19,000	(184,000)
Write-offs and other	(3,000)	(2,000)
Ending balance	1,352,000	1,547,000
Reserve for credit losses: [Abstract]
Ending balance: collectively evaluated for impairment	1,258,000		1,314,000
Ending balance: individually evaluated for impairment	94,000		22,000
Ending balance	1,352,000
Minimum payments [Abstract]
Ending balance: collectively evaluated for impairment	93,335,000		99,545,000
Ending balance: individually evaluated for impairment	311,000		202,000
Ending balance	93,646,000		99,747,000
Reserve for credit losses	1,352,000	1,547,000
Large law firm [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance			2,600,000
Ending balance	2,900,000		2,600,000
Minimum payments [Abstract]
Notes Receivable	3,600,000		4,200,000
Reserve for credit losses	2,900,000		2,600,000
Customer [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance			300,000
Ending balance			300,000
Minimum payments [Abstract]
Notes Receivable			900,000
Reserve for credit losses			300,000
Total receivable			$ 5,100,000