Real Estate (Commitments) (Details) - Jun. 30, 2015 $ in Thousands		USD ($) property
Real Estate [Abstract]
Period for improvements to construction commitments		12 months
Number of properties | property		28
Total commitment	[1]	$ 159,954
Amount funded		82,330
Remaining commitment		$ 77,624

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