Annual report pursuant to Section 13 and 15(d)

Foreign Currency Translation - Additional Information (Detail)

v3.6.0.2
Foreign Currency Translation - Additional Information (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Foreign Currency Translation [Line Items]    
Accumulated other comprehensive income (loss) $ (247,013) $ (271,686)
Cumulative foreign currency adjustments $ (247,046) $ (273,407)