Discontinued Operations (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disposal Groups, Including Discontinued Operation Cash Flows [Line Items]
Capital expenditures	$ 0	$ 1,271	$ 872
Depreciation and amortization	0	1,709	1,751
Operating and investing non-cash elements	$ 0	$ (740)	$ (676)