Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v3.19.3.a.u2
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Taxes [Line Items]      
Corporate income tax rate percent 21.00%   35.00%
Accumulated undistributed earnings and profits $ 432,994    
One-time transition tax accumulated undistributed earnings and profits 370,389    
Valuation allowance against deferred assets – non-current 60,359 $ 54,725  
Gross unrecognized tax benefits, including interest and penalties 14,294 13,953  
Unrecognized tax benefit that if recognized would impact effective tax rate 14,294 13,953  
Accrued for interest and penalties 4,058 $ 3,390  
Decrease in unrecognized tax benefits 9,494    
Decrease in accrued interest due to potential decrease in unrecognized tax benefits $ (3,952)    
Foreign | Significant Portion of Tax Credit Carryforwards      
Income Taxes [Line Items]      
Tax credit carryforwards expiring year 2024    
State | Minimum      
Income Taxes [Line Items]      
Net operating losses carried forward expiring period 5 years    
State | Maximum      
Income Taxes [Line Items]      
Net operating losses carried forward expiring period 20 years    
Net operating losses carried forward expiring year 2037