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Geographic and Other Information - Schedule of Operating Segment (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Segment Reporting Information [Line Items]        
Total revenues $ 101,376 $ 113,876 $ 205,469 $ 236,895
Total gross profit 28,945 33,970 67,941 68,352
Standard products business [Member]        
Segment Reporting Information [Line Items]        
Total revenues 91,288 103,268 185,298 216,174
Total gross profit 27,668 32,859 65,598 66,518
Fab Three Foundry Services [Member]        
Segment Reporting Information [Line Items]        
Total revenues 10,088 10,608 20,171 20,721
Total gross profit 1,277 1,111 2,343 1,834
Operating Segments [Member] | Standard products business [Member]        
Segment Reporting Information [Line Items]        
Total revenues 91,288 103,268 185,298 216,174
Operating Segments [Member] | Standard products business [Member] | Display Solutions [Member]        
Segment Reporting Information [Line Items]        
Total revenues 28,336 46,601 57,521 105,496
Operating Segments [Member] | Standard products business [Member] | Power Solutions [Member]        
Segment Reporting Information [Line Items]        
Total revenues $ 62,952 $ 56,667 $ 127,777 $ 110,678