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Long-Term Debt - Additional Information (Detail)
1 Months Ended 6 Months Ended
Jul. 31, 2020
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2020
EUR (€)
Apr. 16, 2020
USD ($)
Aug. 31, 2015
USD ($)
Italy [Member]          
Debt Instrument [Line Items]          
Amount outstanding under lines of credit   $ 0      
Maximum borrowing capacity   6,200,000 € 5,500,000    
Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Amount outstanding under lines of credit       $ 100,000,000.0  
Revolving Credit Facility [Member] | Subsequent Event [Member]          
Debt Instrument [Line Items]          
Amount outstanding under lines of credit $ 50,000,000.0        
Repayment of borrowings $ 50,000,000.0        
Revolving Credit Facility [Member] | 2015 Credit Agreement [Member]          
Debt Instrument [Line Items]          
Amount outstanding under lines of credit   $ 100,000,000.0      
Debt instrument term (in years)   5 years      
Maximum borrowing capacity         $ 300,000,000