Equity Investments in Real Estate (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Schedule of Equity Method Investments
Equity in earnings (losses) of equity method investments in real estate	$ 2,780	$ (1,078)	$ 6,532	$ 6,625
Equity Earnings from Equity Investments:
Schedule of Equity Method Investments
Equity in earnings (losses) of equity method investments in real estate	3,882	53	9,940	8,881
Amortization of Basis Differences on Equity Investments:
Schedule of Equity Method Investments
Equity in earnings (losses) of equity method investments in real estate	(1,102)	(1,131)	(3,408)	(2,256)
Net Lease | Equity Earnings from Equity Investments:
Schedule of Equity Method Investments
Equity in earnings (losses) of equity method investments in real estate	4,056	4,080	12,369	11,947
Net Lease | Amortization of Basis Differences on Equity Investments:
Schedule of Equity Method Investments
Equity in earnings (losses) of equity method investments in real estate	(667)	(821)	(2,307)	(1,447)
Self-Storage | Equity Earnings from Equity Investments:
Schedule of Equity Method Investments
Equity in earnings (losses) of equity method investments in real estate	0	(364)	(394)	(1,311)
Self-Storage | Amortization of Basis Differences on Equity Investments:
Schedule of Equity Method Investments
Equity in earnings (losses) of equity method investments in real estate	0	(39)	(39)	(116)
All Other | Equity Earnings from Equity Investments:
Schedule of Equity Method Investments
Equity in earnings (losses) of equity method investments in real estate	(174)	(3,663)	(2,035)	(1,755)
All Other | Amortization of Basis Differences on Equity Investments:
Schedule of Equity Method Investments
Equity in earnings (losses) of equity method investments in real estate	$ (435)	$ (271)	$ (1,062)	$ (693)