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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Taxes [Line Items]        
U.S. federal statutory rate 21.00% 21.00% 35.00%  
Percentage of income attributable to wholly-owned operations and investments for which income tax expense and effective tax rate calculated 100.00% 100.00% 100.00%  
Valuation allowance $ 655 $ 0    
Gross unrecognized tax benefits 5,367 4,902 $ 4,225 $ 3,695
Unrecognized tax benefits that, if recognized, would affect the effective tax rate 4,367 3,997    
Estimated accrued interest and penalties resulting from unrecognized tax benefits 855 755    
Foreign subsidiaries earnings 72,300      
Provisional net income tax benefit     $ 9,955  
Measurement period estimated net income tax benefit   1,819    
Total net income tax benefit attributable to passage of the TCJA   $ 11,774    
State and other        
Income Taxes [Line Items]        
Net operating loss carry forwards $ 10,411      
State and other | Maximum        
Income Taxes [Line Items]        
State and other net operating loss carry forwards expiration date 2039      
State and other | Minimum        
Income Taxes [Line Items]        
State and other net operating loss carry forwards expiration date 2020      
Foreign        
Income Taxes [Line Items]        
Net operating loss carry forwards $ 7,103      
Foreign | Maximum        
Income Taxes [Line Items]        
State and other net operating loss carry forwards expiration date 2039      
Foreign | Minimum        
Income Taxes [Line Items]        
State and other net operating loss carry forwards expiration date 2035      
Federal        
Income Taxes [Line Items]        
Net operating loss carry forwards $ 0