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Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Valuation Allowances for Deferred Tax Assets [Member]      
Valuation And Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Year $ 337,824 $ 213,847 $ 193,987
Charged (Credited) to Statement of Operation 71,986 123,977 19,860
Charged to Other Accounts - Liabilities and Equity 0 0 0
Deductions, Net 0 0 0
Balance at End of Year 409,810 337,824 213,847
Valuation Allowance for Rebates and Discounts [Member]      
Valuation And Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Year 548 1,102 0
Charged (Credited) to Statement of Operation 44,258 16,497 1,102
Charged to Other Accounts - Liabilities and Equity (734) (14,867) 0
Deductions, Net (29,629) (2,184) 0
Balance at End of Year $ 14,443 $ 548 $ 1,102