RESERVES FOR CREDIT LOSSES, CQR (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Non-Recourse Notes Payable	$ (225,000)
Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	927	$ 490
Current	1,412	505
Unbilled Minimum Lease Payments	80,110	65,420
Total Minimum Lease Payments	82,449	66,415
Unearned Income	(5,475)	(4,101)
Non-Recourse Notes Payable	(36,835)	(25,958)
Net Credit Exposure	40,339	36,356
Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	2,721	1,472
Current	3,937	2,831
Unbilled Minimum Lease Payments	65,804	55,640
Total Minimum Lease Payments	72,462	59,943
Non-Recourse Notes Payable	(42,311)	(29,920)
Net Credit Exposure	30,151	30,023
31 to 60 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	538	85
31 to 60 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	77	395
61 to 90 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	221	253
61 to 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	94	260
Greater than 90 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	168	152
Greater than 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	$ 2,550	817
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]
Total Past Due	$ 826	388
Current	1,298	430
Unbilled Minimum Lease Payments	55,351	41,213
Total Minimum Lease Payments	57,475	42,031
Unearned Income	(3,454)	(2,340)
Non-Recourse Notes Payable	(25,881)	(16,561)
Net Credit Exposure	28,140	23,130
High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	2,004	759
Current	3,281	2,455
Unbilled Minimum Lease Payments	49,185	35,996
Total Minimum Lease Payments	54,470	39,210
Non-Recourse Notes Payable	(32,944)	(18,255)
Net Credit Exposure	21,526	20,955
High CQR [Member] | 31 to 60 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	526	70
High CQR [Member] | 31 to 60 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	52	338
High CQR [Member] | 61 to 90 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	175	185
High CQR [Member] | 61 to 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	58	260
High CQR [Member] | Greater than 90 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	125	133
High CQR [Member] | Greater than 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	$ 1,894	161
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]
Total Past Due	$ 91	102
Current	114	75
Unbilled Minimum Lease Payments	24,610	24,047
Total Minimum Lease Payments	24,815	24,224
Unearned Income	(2,002)	(1,742)
Non-Recourse Notes Payable	(10,754)	(9,397)
Net Credit Exposure	12,059	13,085
Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	61	57
Current	656	376
Unbilled Minimum Lease Payments	14,173	16,882
Total Minimum Lease Payments	14,890	17,315
Non-Recourse Notes Payable	(9,367)	(11,665)
Net Credit Exposure	5,523	5,650
Average CQR [Member] | 31 to 60 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	2	15
Average CQR [Member] | 31 to 60 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	25	57
Average CQR [Member] | 61 to 90 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	46	68
Average CQR [Member] | 61 to 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	36	0
Average CQR [Member] | Greater than 90 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	43	19
Average CQR [Member] | Greater than 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	$ 0	0
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]
Total Past Due	$ 10	0
Current	0	0
Unbilled Minimum Lease Payments	149	160
Total Minimum Lease Payments	159	160
Unearned Income	(19)	(19)
Non-Recourse Notes Payable	0	0
Net Credit Exposure	140	141
Low CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	656	656
Current	0	0
Unbilled Minimum Lease Payments	2,446	2,762
Total Minimum Lease Payments	3,102	3,418
Non-Recourse Notes Payable	0	0
Net Credit Exposure	3,102	3,418
Low CQR [Member] | 31 to 60 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	10	0
Low CQR [Member] | 31 to 60 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	0	0
Low CQR [Member] | 61 to 90 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	0	0
Low CQR [Member] | 61 to 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	0	0
Low CQR [Member] | Greater than 90 Days Past Due [Member] | Investment in direct financing and sales-type leases that are past due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	0	0
Low CQR [Member] | Greater than 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	$ 656	$ 656