Annual report pursuant to Section 13 and 15(d)

Foreign Currency Translation - Additional Information (Detail)

v3.19.3.a.u2
Foreign Currency Translation - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Foreign Currency Translation [Line Items]      
Accumulated other comprehensive income (loss) $ 340,112 $ 319,007  
Cumulative foreign currency losses $ 328,053 315,300  
Cumulative inflation rate 100.00%    
Cumulative inflation period 3 years    
Reclassification of cumulative foreign currency translation adjustments   $ 518 $ (1,551)
Canada      
Foreign Currency Translation [Line Items]      
Reclassification of cumulative foreign currency translation adjustments     $ 1,551