RESERVES FOR CREDIT LOSSES, CQR (Details) - USD ($) $ in Thousands	Mar. 31, 2017	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	$ 1,221	$ 973
Current	497	1,143
Unbilled Minimum Lease Payments	56,154	64,187
Total Minimum Lease Payments	57,872	66,303
Unearned Income	(3,937)	(4,111)
Non-Recourse Notes Payable	(26,277)	(31,628)
Net Credit Exposure	27,658	30,564
Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	4,720	5,974
Current	1,720	503
Unbilled Minimum Lease Payments	42,084	37,965
Total Minimum Lease Payments	48,524	44,442
Non-Recourse Notes Payable	(25,735)	(21,586)
Net Credit Exposure	$ 22,789	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	$ 833	721
Current	406	984
Unbilled Minimum Lease Payments	32,532	46,157
Total Minimum Lease Payments	33,771	47,862
Unearned Income	(2,362)	(2,705)
Non-Recourse Notes Payable	(12,924)	(22,914)
Net Credit Exposure	18,485	22,243
High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	1,601	2,872
Current	1,165	301
Unbilled Minimum Lease Payments	23,359	24,092
Total Minimum Lease Payments	26,125	27,265
Non-Recourse Notes Payable	(12,003)	(11,644)
Net Credit Exposure	$ 14,122	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	$ 246	110
Current	91	159
Unbilled Minimum Lease Payments	23,622	18,030
Total Minimum Lease Payments	23,959	18,299
Unearned Income	(1,556)	(1,387)
Non-Recourse Notes Payable	(13,353)	(8,714)
Net Credit Exposure	9,050	8,198
Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	33	0
Current	555	202
Unbilled Minimum Lease Payments	18,725	13,873
Total Minimum Lease Payments	19,313	14,075
Non-Recourse Notes Payable	(13,732)	(9,942)
Net Credit Exposure	$ 5,581	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	$ 142	142
Current	0	0
Unbilled Minimum Lease Payments	0	0
Total Minimum Lease Payments	142	142
Unearned Income	(19)	(19)
Non-Recourse Notes Payable	0	0
Net Credit Exposure	123	123
Low CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	3,086	3,102
Current	0	0
Unbilled Minimum Lease Payments	0	0
Total Minimum Lease Payments	3,086	3,102
Non-Recourse Notes Payable	0	0
Net Credit Exposure	3,086	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	492	590
31 to 60 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	211	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	379	575
31 to 60 Days Past Due [Member] | High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	183	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	113	15
31 to 60 Days Past Due [Member] | Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	28	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	244	69
61 to 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	668	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	224	52
61 to 90 Days Past Due [Member] | High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	663	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	20	17
61 to 90 Days Past Due [Member] | Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	5	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	485	314
Greater than 90 Days Past Due [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	3,841	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	230	94
Greater than 90 Days Past Due [Member] | High CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	755	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	113	78
Greater than 90 Days Past Due [Member] | Average CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	0	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	142	142
Greater than 90 Days Past Due [Member] | Low CQR [Member] | Notes Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Past Due	$ 3,086	$ 3,102