Real Estate Investments Purchase Price Allocation (Details) - Jun. 22, 2015 - Broadmoor Austin Associates [Member] - USD ($) $ in Thousands		Total
Business Acquisition [Line Items]
Building, land and improvements		$ 161,252
Land inventory		8,064
Intangible assets acquired	[1]	50,637
Below market lease liabilities assumed	[2]	(8,600)
Total purchase price		211,353
Return of existing equity method investment		(67,261)
Net working capital assumed		(271)
Total cash payment at settlement		$ 143,821
Weighted average amortization period		4 years
Below Market Lease [Member]
Business Acquisition [Line Items]
Weighted average amortization period		1 year 6 months

[1] Weighted average amortization period of 4.0 years.

[2] Weighted average amortization period of 1.5 years.