Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Interim) (Details)

v3.7.0.1
Income Taxes (Interim) (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Income taxes    
Unrecognized tax benefits that would impact effective tax rate, if recognized $ 16,972  
Accrued interest and penalties on unrecognized tax benefits 510 $ 880
United States    
Income taxes    
Unrecognized tax benefits that would impact effective tax rate, if recognized 0  
Non-current liabilities, other    
Income taxes    
Gross liability for unrecognized tax benefits $ 16,972 $ 16,476