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Derivatives - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Derivative [Line Items]        
Commencement date     2018-04  
Expiration date     Mar. 30, 2023  
Interest rate swap interest expenses $ 4,694 $ 4,676 $ 9,616 $ 6,779
Cost of Goods and Services Sold 98,517 96,573 194,122 169,655
Foreign exchange contract [Member]        
Derivative [Line Items]        
Cost of Goods and Services Sold 100   100  
Interest Rate Swap        
Derivative [Line Items]        
Interest rate swap interest expenses 100 $ 200 100 $ 200
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Contract        
Derivative [Line Items]        
Notional amount 100,000   100,000  
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Swap        
Derivative [Line Items]        
Notional amount 25,000   25,000  
Not Designated as Hedging Instrument | Foreign exchange contract [Member]        
Derivative [Line Items]        
Notional amount $ 9,000   $ 9,000