Real Estate (Commitments) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($) property
Real Estate [Abstract]
Period for improvements to construction commitments	12 months
Number of properties | property	35
Total commitment	$ 165,832	[1]
Amount funded	93,530
Remaining commitment	$ 72,302

[1] Includes land, construction costs, tenant improvements and lease costs.