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Business Segment, Geographic Area, Product and Significant Customer Information - Schedule of Net Revenues and Long-Lived Assets by Geographic Regions (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net revenues $ 460,541 $ 487,152 $ 573,140 $ 554,275 $ 511,800 $ 486,267 $ 480,757 $ 437,153 $ 2,075,108 $ 1,915,977 $ 1,295,342
Long-lived assets 224,053       203,154       224,053 203,154  
United States [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net revenues                 1,022,660 955,284 675,601
Long-lived assets 146,687       124,689       146,687 124,689  
South Korea [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net revenues                 203,567 212,763 112,432
Japan [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net revenues                 193,264 167,318 96,954
Europe [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net revenues                 244,009 209,912 156,365
Long-lived assets 26,794       28,820       26,794 28,820  
Asia (Excluding Korea and Japan) [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net revenues                 411,608 370,700 $ 253,990
Long-lived assets $ 50,572       $ 49,645       $ 50,572 $ 49,645