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Income Taxes - Narrative (Details)
 12 Months Ended
Jul. 01, 2018
USD ($)
Dec. 31, 2018
USD ($)
subsidiary
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Valuation Allowance [Line Items]        
Provisional tax benefit recorded related to the Tax Act   $ 575,000 $ 73,028,000 $ 0
Tax effects reclassified from accumulated other comprehensive income $ 200,000      
U.S federal corporate tax rate after enactment of the Tax Act   21.00%    
U.S. federal statutory corporate tax rate   21.00% 35.00% 35.00%
Provision for income taxes   $ 47,631,000 $ 5,561,000 $ 80,306,000
Effective tax rate   23.20% 2.50%  
Number of foreign subsidiaries | subsidiary   2    
Deferred tax liabilities, net     $ 25,700,000  
Unrecognized tax benefits   $ 1,598,000 1,151,000 $ 0
Unrecognized tax benefits that would affect the effective tax rate if recognized   1,400,000 1,000,000  
Interest and penalties related to uncertain tax positions   200,000 $ 200,000  
State        
Valuation Allowance [Line Items]        
NOL carryforwards   271,800,000    
Foreign        
Valuation Allowance [Line Items]        
NOL carryforwards   113,200,000    
Accumulated Other Comprehensive Income (Loss)        
Valuation Allowance [Line Items]        
Tax effects reclassified from accumulated other comprehensive income   (150,000)    
Retained Earnings        
Valuation Allowance [Line Items]        
Tax effects reclassified from accumulated other comprehensive income   $ 150,000