RESERVES FOR CREDIT LOSSES, CQR (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Mar. 31, 2016
Investment in Direct Financing and Sales-type Leases that are Past Due [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	$ 2,002	$ 973
Current	858	1,143
Unbilled Minimum Lease Payments	78,537	64,187
Total Minimum Lease Payments	81,397	66,303
Unearned income	(4,829)	(4,111)
Non-Recourse Notes Payable	(35,866)	(31,628)
Net Credit Exposure	40,702	30,564
Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	5,653	5,974
Current	2,703	503
Unbilled Minimum Lease Payments	45,574	37,965
Total Minimum Lease Payments	53,930	44,442
Non-Recourse Notes Payable	(28,671)	(21,586)
Net Credit Exposure	$ 25,259	22,856
High CQR [Member] | Minimum [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure	0.00%
High CQR [Member] | Maximum [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure	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	$ 1,682	721
Current	782	984
Unbilled Minimum Lease Payments	59,251	46,157
Total Minimum Lease Payments	61,715	47,862
Unearned income	(3,523)	(2,705)
Non-Recourse Notes Payable	(29,934)	(22,914)
Net Credit Exposure	28,258	22,243
High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	2,465	2,872
Current	583	301
Unbilled Minimum Lease Payments	29,247	24,092
Total Minimum Lease Payments	32,295	27,265
Non-Recourse Notes Payable	(18,214)	(11,644)
Net Credit Exposure	$ 14,081	15,621
Average CQR [Member] | Minimum [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure	2.00%
Average CQR [Member] | Maximum [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure	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	$ 151	110
Current	76	159
Unbilled Minimum Lease Payments	19,286	18,030
Total Minimum Lease Payments	19,513	18,299
Unearned income	(1,287)	(1,387)
Non-Recourse Notes Payable	(5,932)	(8,714)
Net Credit Exposure	12,294	8,198
Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	86	0
Current	2,120	202
Unbilled Minimum Lease Payments	16,327	13,873
Total Minimum Lease Payments	18,533	14,075
Non-Recourse Notes Payable	(10,457)	(9,942)
Net Credit Exposure	$ 8,076	4,133
Low CQR [Member] | Minimum [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure	15.00%
Low CQR [Member] | Maximum [Member]
Financing Receivable, Recorded Investment [Line Items]
Losses on net credit exposure	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	$ 169	142
Current	0	0
Unbilled Minimum Lease Payments	0	0
Total Minimum Lease Payments	169	142
Unearned income	(19)	(19)
Non-Recourse Notes Payable	0	0
Net Credit Exposure	150	123
Low CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	3,102	3,102
Current	0	0
Unbilled Minimum Lease Payments	0	0
Total Minimum Lease Payments	3,102	3,102
Non-Recourse Notes Payable	0	0
Net Credit Exposure	3,102	3,102
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	687	590
31 to 60 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	197	399
31 to 60 Days Past Due [Member] | 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	611	575
31 to 60 Days Past Due [Member] | High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	191	399
31 to 60 Days Past Due [Member] | 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	76	15
31 to 60 Days Past Due [Member] | Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	6	0
31 to 60 Days Past Due [Member] | 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	0	0
31 to 60 Days Past Due [Member] | Low CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	0	0
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	199	69
61 to 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	54	305
61 to 90 Days Past Due [Member] | 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	183	52
61 to 90 Days Past Due [Member] | High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	54	305
61 to 90 Days Past Due [Member] | 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	16	17
61 to 90 Days Past Due [Member] | Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	0	0
61 to 90 Days Past Due [Member] | 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	0	0
61 to 90 Days Past Due [Member] | Low CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	0	0
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	1,116	314
Greater than 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	5,402	5,270
Greater than 90 Days Past Due [Member] | 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	888	94
Greater than 90 Days Past Due [Member] | High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	2,220	2,168
Greater than 90 Days Past Due [Member] | 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	59	78
Greater than 90 Days Past Due [Member] | Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	80	0
Greater than 90 Days Past Due [Member] | 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	169	142
Greater than 90 Days Past Due [Member] | Low CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	$ 3,102	$ 3,102