Segment Reporting - Additional Information (Detail) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) Segment	Jun. 30, 2022 USD ($)	Dec. 31, 2022
Number of operating segments \| Segment			1
Accounts receivable, percentage by customer	100.00%	100.00%	100.00%	100.00%
Revenue	$ 159,169	$ 207,633	$ 324,549	$ 414,033
Sales Revenue
Revenue	$ 0	$ 0	$ 0	$ 0
Customer Concentration Risk \| Accounts Receivable [Member] \| Purolite [Member]
Accounts receivable, percentage by customer			11.50%		12.70%
Customer Concentration Risk \| Total Trade Accounts Receivable Royalties And Other Receivables \| Purolite [Member]
Accounts receivable, percentage by customer			10.00%		10.00%
Customer Concentration Risk \| Minimum [Member] \| Sales Revenue
Accounts receivable, percentage by customer	10.00%	10.00%	10.00%	10.00%

Amount, including 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