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Cash, Restricted Cash, Cash Equivalents and Investments - Investment Category and Length (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
USD ($)
company
Dec. 31, 2023
USD ($)
company
Available-for-Sale Securities, Continuous Unrealized Loss Position, Qualitative Disclosure    
Fair value, in loss position greater than twelve months   $ 2,140
Gross unrealized (loss), in loss position greater than twelve months   (20)
Fair value, total in loss position   2,140
Gross unrealized (loss), total in loss position   (20)
Investments in Privately Held Raw Material Companies    
Investments, equity method $ 14,066 $ 12,476
Number of equity method investments | company 3 3
Certificates of Deposit    
Available-for-Sale Securities, Continuous Unrealized Loss Position, Qualitative Disclosure    
Fair value, in loss position greater than twelve months   $ 2,140
Gross unrealized (loss), in loss position greater than twelve months   (20)
Fair value, total in loss position   2,140
Gross unrealized (loss), total in loss position   (20)
Other Assets    
Investments in Privately Held Raw Material Companies    
Investments, equity method $ 14,100 $ 12,500