Segment and Geographical Information - Revenue by Geographic Location (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenue	$ 396,290	$ 115,794	$ 79,872
Taiwan
Segment Reporting Information [Line Items]
Revenue	269,935	72,174	61,776
China
Segment Reporting Information [Line Items]
Revenue	72,672	5,540	1,487
United States
Segment Reporting Information [Line Items]
Revenue	11,296	30,664	4,779
Other
Segment Reporting Information [Line Items]
Revenue	$ 42,387	$ 7,416	$ 11,830

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details