Annual report pursuant to Section 13 and 15(d)

Derivatives and Hedging - Additional Information (Detail)

v3.7.0.1
Derivatives and Hedging - Additional Information (Detail) - USD ($)
 12 Months Ended
Sep. 03, 2014
Dec. 31, 2016
Dec. 31, 2015
Derivative [Line Items]      
Fair value interest rate swaps   $ (1,858,000) $ (2,564,000)
Notional amount of derivative contracts outstanding   29,887 37,886
Foreign exchange forward contracts   616,000 1,695,000
2014 Swap No. 1      
Derivative [Line Items]      
Term of derivative instrument 3 years    
Notional amount of derivative instrument $ 90,000,000    
Fixed interest rate of Swap Agreement 2.20%    
Applicable interest rate margin 3.50%    
Effective rate 5.70%    
Interest Rate Swap [Member]      
Derivative [Line Items]      
Increase in other expense   (706,000) (1,629,000)
2014 Swap No. 2      
Derivative [Line Items]      
Notional amount of derivative instrument $ 40,000,000    
Foreign Exchange Contract [Member]      
Derivative [Line Items]      
Increase in other expense   $ (1,587,000) $ (4,196,000)