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Intangible Assets - Additional Information (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Indefinite-lived Intangible Assets [Line Items]    
Estimated amortization expense for the remainder of 2021 $ 6  
Estimated amortization expense for 2022 125  
Estimated amortization expense for 2023 125  
Estimated amortization expense for 2024 125  
Estimated amortization expense for 2025 125  
Estimated amortization expense for 2026 125  
Estimated amortization expense for thereafter 320  
Use Rights    
Indefinite-lived Intangible Assets [Line Items]    
Carrying amount of acquired water rights with indefinite lives $ 75 $ 75