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Income Taxes (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Income Taxes (Textual) [Abstract]          
Effective tax rate (percent) 48.90% 22.20% 48.70% 27.40%  
Unrecognized tax benefits, increase resulting from prior period tax positions $ 565   $ 565    
Undistributed earnings on a book basis for the non-U.S. subsidiaries 5,600   5,600    
Unrecognized deferred tax liability related to undistributed earnings of non-U.S. subsidiaries 343   343    
Total unrecognized tax benefits 10,000   10,000    
Unrecognized tax benefits affecting the company's effective income tax rate 8,600   8,600    
Unrecognized tax benefits to be recorded in discontinued operations 1,400   1,400    
Accrued interest and penalties 1,700   1,700   $ 1,500
Significant change in unrecognized tax benefits that is reasonably possible 7,900   7,900    
Expected additional federal and state tax expense $ 31,000   $ 31,000