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Investments in Affiliates and Other Entities (Details)
mile in Thousands, $ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Oct. 31, 2021
USD ($)
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
USD ($)
mile
Dec. 31, 2019
USD ($)
Mar. 31, 2019
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Investment
Dec. 31, 2019
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2014
kV
division
km
Summary Of Significant Accounting Policies [Line Items]                      
Investment balance             $ 101,200 $ 44,900      
Length of electric transmission and distribution system | mile       18              
Impairment of cost method investment             0 $ 9,311 $ 0    
Number of non-integral equity method investments | Investment               2      
Carrying values for investments accounted for using the cost method             130,200 $ 39,500      
Investment in real estate recognized at cost             23,300     $ 23,500  
EPC Electric Transmission Project                      
Summary Of Significant Accounting Policies [Line Items]                      
Length of electrical transmission line to be constructed under contract | km                     500
Number of substations | division                     2
Voltage of substations | kV                     500
Deferred earnings recognized           $ 60,300          
Gain related to the sale of interest in limited partnership         $ 13,000            
LUMA Energy LLC                      
Summary Of Significant Accounting Policies [Line Items]                      
Operation and maintenance period     15 years                
Integral Affiliates                      
Summary Of Significant Accounting Policies [Line Items]                      
Related party receivables             49,000        
Related party payables             56,300        
Integral Affiliate Offering Right-of-way Solutions                      
Summary Of Significant Accounting Policies [Line Items]                      
Equity interest 44.00%                    
Payments to interest in entity $ 22,000                    
LUMA Energy LLC                      
Summary Of Significant Accounting Policies [Line Items]                      
Investment balance             30,600 10,900      
Equity interest       50.00%              
Return on investment             $ 17,500        
Certain Non-Integral Equity Investments                      
Summary Of Significant Accounting Policies [Line Items]                      
Impairment of cost method investment               $ 8,700      
Broadband Technology Provider                      
Summary Of Significant Accounting Policies [Line Items]                      
Carrying values for investments accounted for using the cost method                   $ 90,000  
Broadband Technology Provider | Forecast                      
Summary Of Significant Accounting Policies [Line Items]                      
Common equity interest   5.00%                  
Cost Method Investment | Quanta Services, Inc.                      
Summary Of Significant Accounting Policies [Line Items]                      
Impairment of cost method investment       $ 9,300