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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS - DEFERRED TAX ASSET VALUATION ALLOWANCE (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year $ 143,971    
Balance at End of Year 119,233 $ 143,971  
Valuation Allowance of Deferred Tax Assets      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year 143,971 104,799 $ 104,520
Additions Charged to Income 31,564 43,361 4,657
Accounts Receivable Write-offs (55,797) (2,871) (5,745)
Translation and Other (505) (1,318) 1,367
Balance at End of Year $ 119,233 $ 143,971 $ 104,799