RESERVES FOR CREDIT LOSSES, CQR (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Investment in Direct Financing and Sales-type Leases that are Past Due [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	$ 85	$ 227
61-90 Days Past Due	253	92
Greater Than 90 Days Past Due	152	185
Total Past Due	490	504
Current	505	588
Unbilled Minimum Lease Payments	65,420	80,459
Total Minimum Lease Payments	66,415	81,551
Unearned Income	(4,101)	(5,346)
Non-Recourse Notes Payable	(25,958)	(38,115)
Net Credit Exposure	36,356	38,090
Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	395	0
61-90 Days Past Due	260	205
Greater Than 90 Days Past Due	817	939
Total Past Due	1,472	1,144
Current	2,831	2,317
Unbilled Minimum Lease Payments	55,640	40,246
Total Minimum Lease Payments	59,943	43,707
Non-Recourse Notes Payable	(29,920)	(23,132)
Net Credit Exposure	30,023	20,575
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	70	194
61-90 Days Past Due	185	35
Greater Than 90 Days Past Due	133	106
Total Past Due	388	335
Current	430	502
Unbilled Minimum Lease Payments	41,213	42,159
Total Minimum Lease Payments	42,031	42,996
Unearned Income	(2,340)	(1,890)
Non-Recourse Notes Payable	(16,561)	(17,406)
Net Credit Exposure	23,130	23,700
High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	338	0
61-90 Days Past Due	260	205
Greater Than 90 Days Past Due	161	148
Total Past Due	759	353
Current	2,455	2,317
Unbilled Minimum Lease Payments	35,996	30,249
Total Minimum Lease Payments	39,210	32,919
Non-Recourse Notes Payable	(18,255)	(19,641)
Net Credit Exposure	20,955	13,278
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)	15.00%
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	15	33
61-90 Days Past Due	68	57
Greater Than 90 Days Past Due	19	18
Total Past Due	102	108
Current	75	86
Unbilled Minimum Lease Payments	24,047	37,924
Total Minimum Lease Payments	24,224	38,118
Unearned Income	(1,742)	(3,401)
Non-Recourse Notes Payable	(9,397)	(20,709)
Net Credit Exposure	13,085	14,008
Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
31-60 Days Past Due	57	0
61-90 Days Past Due	0	0
Greater Than 90 Days Past Due	0	0
Total Past Due	57	0
Current	376	0
Unbilled Minimum Lease Payments	16,882	6,950
Total Minimum Lease Payments	17,315	6,950
Non-Recourse Notes Payable	(11,665)	(3,491)
Net Credit Exposure	5,650	3,459
Low CQR [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure, lower limit (in hundredths)	15.00%
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	0	61
Total Past Due	0	61
Current	0	0
Unbilled Minimum Lease Payments	160	376
Total Minimum Lease Payments	160	437
Unearned Income	(19)	(55)
Non-Recourse Notes Payable	0	0
Net Credit Exposure	141	382
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	656	791
Total Past Due	656	791
Current	0	0
Unbilled Minimum Lease Payments	2,762	3,047
Total Minimum Lease Payments	3,418	3,838
Non-Recourse Notes Payable	0	0
Net Credit Exposure	$ 3,418	$ 3,838