RESERVES FOR CREDIT LOSSES, CQR (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Mar. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Total Minimum Lease Payments	$ 63,529	$ 64,614
Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	71	505
61-90 Days Past Due	16	367
Greater Than 90 Days Past Due	219	94
Total Past Due	306	966
Current	443	423
Unbilled Minimum Lease Payments	62,780	63,225
Total Minimum Lease Payments	63,529	64,614
Unearned Income	(3,506)	(4,412)
Non-Recourse Notes Payable	(16,989)	(18,194)
Net Credit Exposure	43,034	42,008
Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	33	2,721
61-90 Days Past Due	33	127
Greater Than 90 Days Past Due	5,261	1,558
Total Past Due	5,327	4,406
Current	948	3,450
Unbilled Minimum Lease Payments	45,958	27,174
Total Minimum Lease Payments	52,233	35,030
Non-Recourse Notes Payable	(14,565)	(6,824)
Net Credit Exposure	37,668	28,206
High CQR [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure, lower limit (in hundredths)	0.00%
Losses on net credit exposure, upper limit (in hundredths)	5.00%
High CQR [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	63	454
61-90 Days Past Due	14	316
Greater Than 90 Days Past Due	146	28
Total Past Due	223	798
Current	344	322
Unbilled Minimum Lease Payments	38,388	38,278
Total Minimum Lease Payments	38,955	39,398
Unearned Income	(1,967)	(2,777)
Non-Recourse Notes Payable	(6,354)	(10,337)
Net Credit Exposure	30,634	26,284
High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	33	1,342
61-90 Days Past Due	33	127
Greater Than 90 Days Past Due	4,470	832
Total Past Due	4,536	2,301
Current	225	3,450
Unbilled Minimum Lease Payments	39,347	22,097
Total Minimum Lease Payments	44,108	27,848
Non-Recourse Notes Payable	(12,469)	(5,621)
Net Credit Exposure	31,639	22,227
Average CQR [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure, lower limit (in hundredths)	2.00%
Losses on net credit exposure, upper limit (in hundredths)	25.00%
Average CQR [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	8	51
61-90 Days Past Due	2	51
Greater Than 90 Days Past Due	12	5
Total Past Due	22	107
Current	99	101
Unbilled Minimum Lease Payments	24,055	24,640
Total Minimum Lease Payments	24,176	24,848
Unearned Income	(1,508)	(1,596)
Non-Recourse Notes Payable	(10,635)	(7,857)
Net Credit Exposure	12,033	15,395
Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	0	1,379
61-90 Days Past Due	0	0
Greater Than 90 Days Past Due	0	0
Total Past Due	0	1,379
Current	723	0
Unbilled Minimum Lease Payments	4,165	2,566
Total Minimum Lease Payments	4,888	3,945
Non-Recourse Notes Payable	(2,096)	(1,203)
Net Credit Exposure	2,792	2,742
Low CQR [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure, lower limit (in hundredths)	50.00%
Losses on net credit exposure, upper limit (in hundredths)	100.00%
Low CQR [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	0	0
61-90 Days Past Due	0	0
Greater Than 90 Days Past Due	61	61
Total Past Due	61	61
Current	0	0
Unbilled Minimum Lease Payments	337	307
Total Minimum Lease Payments	398	368
Unearned Income	(31)	(39)
Non-Recourse Notes Payable	0	0
Net Credit Exposure	367	329
Low CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	0	0
61-90 Days Past Due	0	0
Greater Than 90 Days Past Due	791	726
Total Past Due	791	726
Current	0	0
Unbilled Minimum Lease Payments	2,446	2,511
Total Minimum Lease Payments	3,237	3,237
Non-Recourse Notes Payable	0	0
Net Credit Exposure	$ 3,237	$ 3,237