XML 67 R52.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 31, 2017
Jun. 30, 2017
Sep. 30, 2017
Jun. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Income Taxes [Abstract]                
Unrecognized tax benefits     $ 1,500     $ 1,500    
Effective tax rate     33.30%   26.90% 46.40% 31.00%  
Net non-current deferred tax liability     $ 12,860     $ 12,860   $ 12,853
Foreign earnings repatriated $ 4,800 $ 4,800            
Taxes on foreign earnings repatriated       $ 2,500        
Unremitted earnings of foreign subsidiaries     700     700    
Unrecognized deferred tax liability on unremitted earnings of foreign subsidiaries     100     100    
IRS [Member] | Tax Years 2011, 2012 and 2013 [Member]                
Income Taxes [Abstract]                
Disallowed tax credit being litigated     $ 2,500     2,500    
IRS [Member] | Tax Years 2011 to Date [Member]                
Income Taxes [Abstract]                
Research and development credits           $ 8,400