Geographic and Other Information - Schedule of Operating Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total revenues	$ 230,051	$ 337,658	$ 474,230
Total gross profit	51,640	101,264	153,543
Standard products business [Member]
Segment Reporting Information [Line Items]
Total revenues	195,690	301,896	433,099
Total gross profit	51,928	99,549	149,596
Fab 3 Foundry Services [Member]
Segment Reporting Information [Line Items]
Total revenues	34,361	35,762	41,131
Total gross profit	(288)	1,715	3,947
Operating Segments [Member] | Standard products business [Member]
Segment Reporting Information [Line Items]
Total revenues	195,690	301,896	433,099
Operating Segments [Member] | Standard products business [Member] | Display Solutions [Member]
Segment Reporting Information [Line Items]
Total revenues	32,134	71,432	205,322
Operating Segments [Member] | Standard products business [Member] | Power Solutions [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 163,556	$ 230,464	$ 227,777