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Geographic and Other Information - Schedule of Product Categories (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues $ 66,460 $ 61,245 $ 168,698 $ 179,229
Standard products business [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues $ 64,020 51,619 $ 160,396 154,508
Standard products business [Member] | Display Solutions [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues   6,404   26,902
Standard products business [Member] | Power Solutions [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues   45,215   127,606
Standard products business [Member] | Power Analog Solutions Business [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues   51,619   154,508
Standard products business [Member] | Power Analog Solutions Business [Member] | Display Solutions [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues   6,404   26,902
Standard products business [Member] | Power Analog Solutions Business [Member] | Power Solutions [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues   45,215   127,606
Standard products business [Member] | Mixed Signal Solutions Business [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues   10,644   35,808
Standard products business [Member] | Mixed Signal Solutions Business [Member] | Display Solutions [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues   6,404   26,902
Standard products business [Member] | Mixed Signal Solutions Business [Member] | Power Solutions [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues   4,240   8,906
Standard products business [Member] | Other Solutions Business [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues   40,975   118,700
Standard products business [Member] | Other Solutions Business [Member] | Display Solutions [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues   0   0
Standard products business [Member] | Other Solutions Business [Member] | Power Solutions [Member]        
Segment Reporting Information by Segment for Current Period Presentation [Line Items]        
Total revenues   $ 40,975   $ 118,700