Quarterly report pursuant to Section 13 or 15(d)

Foreign Currency Translation - Additional Information (Detail)

v3.19.3
Foreign Currency Translation - Additional Information (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Foreign Currency [Abstract]    
Accumulated other comprehensive income (loss) $ 349,381 $ 319,007
Cumulative foreign currency adjustments $ 335,028 $ 315,300
Cumulative inflation rate 100.00%  
Cumulative inflation period 3 years