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Other Long-Term Assets - Summary of Other Long-Term Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Other Assets Noncurrent [Abstract]    
Pension   $ 43,341
Right-of-use asset operating leases $ 11,701  
Other 22,789 24,006
Total $ 34,490 $ 67,347