Fair Value Measurements (Details 1) - Level 3 - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Carrying Value
Fair Value, Balance Sheet Grouping
Non-recourse debt	$ 2,014,458	$ 1,881,774
CMBS	3,521	2,765
Fair Value
Fair Value, Balance Sheet Grouping
Non-recourse debt	2,076,087	1,937,459
CMBS	$ 8,905	$ 8,739

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13476-108611

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- Definition

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+ References

No definition available.

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- Definition

Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as held-to-maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Mortgage-Backed Securities
-URI http://asc.fasb.org/extlink&oid=6517959

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