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Investment in DSM Semichem LLC - Narrative (Details) $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Apr. 01, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Oct. 19, 2022 a
Summary of Investment Holdings |  |  |  |
Payments to acquire equity method investments |  | $ 0 | $ 6,938 |
DSM Semichem LLC |  |  |  |
Summary of Investment Holdings |  |  |  |
Ownership (percent) |  |  |  | 10.00%
Payments to acquire equity method investments | $ 6,500 |  |  |
Area of land | a |  |  |  | 22

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