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Income Taxes (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Jan. 01, 2018
Income Tax Disclosure [Abstract]            
Federal statutory income tax rate (as a percent)     21.00% 21.00% 35.00%  
Provisional income tax   $ 7,800        
Provisional tax rate effect on remeasurement   4,000        
Provisional increase of one-time transition tax liability of foreign subsidiaries   8,600        
Release of deferred tax liability previously recorded on unremitted foreign earnings   $ 4,800        
Additional tax expense $ 10,300          
Total tax expense     $ 13,900      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Increase in valuation allowance     $ 2,882 $ (10,037) $ 3,853  
Income tax benefit related to release of valuation allowance       (18,400)    
Adjustment for new accounting standards           $ (1,501)
Accumulated Other Comprehensive Loss            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Adjustment for new accounting standards           (6,132)
Retained earnings            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Adjustment for new accounting standards           4,631
ASU 2018-02 | Accumulated Other Comprehensive Loss            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Adjustment for new accounting standards           (4,100)
ASU 2018-02 | Retained earnings            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Adjustment for new accounting standards           $ 4,100
State tax attributes            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Increase in valuation allowance       400    
U.S. foreign tax credits arising from Japan branch operations            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Increase in valuation allowance       $ 8,000