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Related Party Transactions (Goods and Services from Related Parties that have been Capitalized) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Affiliated Entity | Westlake      
Related Party Transaction [Line Items]      
Goods and services purchased from Westlake and capitalized as assets $ 7,311 $ 2,295 $ 3,660