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Reportable Segments and Geographic Information - Reconcilation of Segment Assets to Total Assets (Details 3) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Assets from reportable segments to total assets    
Assets associated with discontinued operations $ 21,620 $ 2,049,685
Total assets 2,706,763 4,893,319
Reportable Segments | Continuing Operations    
Assets from reportable segments to total assets    
Total assets 2,397,199 2,509,118
Other | Continuing Operations    
Assets from reportable segments to total assets    
Total assets 287,944 334,516
Other | Discontinued Operations    
Assets from reportable segments to total assets    
Assets associated with discontinued operations $ 21,620 $ 2,049,685