Investment in Unconsolidated Joint Ventures Investment in Unconsolidated Joint Ventures Income Statement Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Equity Method Investments and Joint Ventures [Abstract]
Revenue	$ 5,800	$ 2,424	$ 2,909
Costs and expenses	3,527	1,147	1,763
Income (loss)	2,273	1,277	1,146
Equity in Income (loss) from unconsolidated joint ventures	$ 499	$ 347	$ 347