Annual report pursuant to Section 13 and 15(d)

Goodwill - Summary of Changes in Carrying Amount of Goodwill (Detail)

v3.7.0.1
Goodwill - Summary of Changes in Carrying Amount of Goodwill (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Goodwill        
Balance at Beginning of the Year $ 115,369 $ 100,153    
Acquisition 0 16,237    
Foreign Currency Translations and Other (162) (1,021)    
Balance at End of the Year 115,207 115,369    
Goodwill - Gross     $ 131,749 $ 131,911
Accumulated Impairment Losses     (16,542) (16,542)
Goodwill - Net $ 115,369 $ 100,153 $ 115,207 $ 115,369