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Major customers representing at least 10% of net sales (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Revenue, Major Customer [Line Items]      
NET SALES $ 922,100 $ 539,521 $ 457,253
Net sales | Customers accounted for 10% or more | Intel      
Revenue, Major Customer [Line Items]      
NET SALES $ 94,781   $ 75,608
Major customers, percentage of net sales 10.00%   16.00%
Net sales | Customers accounted for 10% or more | Micron      
Revenue, Major Customer [Line Items]      
NET SALES $ 243,204 $ 127,708 $ 67,682
Major customers, percentage of net sales 26.00% 24.00% 15.00%