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Derivatives - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Mar. 31, 2018
Derivative [Line Items]        
Commencement date 2018-04      
Expiration date Mar. 30, 2023      
Interest Expense $ 18,004 $ 4,291 $ 4,803  
Interest Rate Swap        
Derivative [Line Items]        
Interest Expense 400      
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Contract        
Derivative [Line Items]        
Notional amount 125,000     $ 5,300
Not Designated as Hedging Instrument | Foreign exchange contract        
Derivative [Line Items]        
Notional amount $ 0 $ 34,900