Subsequent Events/Other (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Other [Line Items]
Business Combination, Acquisition Related Costs	$ 200	$ 100
Noncash Project Abandonment Costs	1,651	1,492
Other Expenses	1,800	1,600
Employee Benefits and Share-based Compensation	4,700
Litigation Settlement, Amount	5,800	$ 2,300
Owned Property Management Costs [Member]
Other [Line Items]
Employee Benefits and Share-based Compensation	700
General and Administrative [Member]
Other [Line Items]
Employee Benefits and Share-based Compensation	$ 4,000