Annual report pursuant to Section 13 and 15(d)

Foreign Currency Translation - Additional Information (Detail)

v3.20.4
Foreign Currency Translation - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2018
Dec. 31, 2019
Foreign Currency [Abstract]      
Accumulated other comprehensive income (loss) $ 398,653   $ 340,112
Cumulative foreign currency losses $ 375,539   $ 328,053
Cumulative inflation rate 100.00%    
Cumulative inflation period 3 years    
Reclassification of cumulative foreign currency translation adjustments   $ 518