Equity Method Investments (Proportionate Share of Joint Venture Summarized Financial 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	$ 7,389	$ 29,963	$ 15,824
Cost of sales and service	10,129	68,732	25,092
Net loss and loss from continuing operations	$ 6,107	$ 140,919	$ 134,911