Segment Information and Foreign Operations - Product Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Revenue by product type
Revenue	$ 19,405	$ 39,653
Substrates
Revenue by product type
Revenue	13,489	31,745
Raw Materials and Other
Revenue by product type
Revenue	$ 5,916	$ 7,908

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