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Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Jul. 09, 2021
Affiliates of Luminant ET Services Company LLC      
Loss Contingencies [Line Items]      
Lease agreement date Jun. 29, 2021    
Lease amendment and restatement date Jul. 09, 2021    
Purchase and sale agreement date Jun. 28, 2021    
Amendment and restatement date on purchase and sale agreement Jul. 09, 2021    
Luminant Power Agreement      
Loss Contingencies [Line Items]      
Required collateral amount for power purchase agreement     $ 12.6
Independent collateral amount paid $ 6.3 $ 6.3  
Payment of independent collateral amount description Half, or approximately $6.3 million, of the Independent Collateral Amount was paid to Luminant on September 1, 2021 and is recorded in security deposits on the condensed consolidated balance sheets as of September 30, 2022 and December 31, 2021.    
Luminant Purchase and Sale Agreement | Security Deposits      
Loss Contingencies [Line Items]      
Collateral amount $ 3.1 $ 3.1  
Standard Power Arrangement      
Loss Contingencies [Line Items]      
Standard power hosting agreement date Feb. 03, 2021    
Term of power agreement 5 years    
Renewal term period of power agreement. 5 years    
Agreement term description The Standard Power Hosting Agreement provides for a term of five years with automatic five-year renewal provisions.    
Combined Luminant Lease Agreements      
Loss Contingencies [Line Items]      
Effective start date of lease agreement Aug. 27, 2021    
Lease agreement period 5 years    
Principal and interest due over period 5 years    
Estimated undiscounted principal payments $ 13.1