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Nature of Operations (Details)
$ in Millions
1 Months Ended 3 Months Ended
Feb. 28, 2021
USD ($)
Jun. 30, 2021
USD ($)
item
Conversion of Stock [Line Items]    
Number of people | item   7,500,000
Lease term   30 years
Lease extension   10 years
Scheduled prepayments   $ 48.0
Percentage of prepayments   50.00%
Payments to Acquire Productive Assets $ 20.0  
TeamConnect LLC [Member]    
Conversion of Stock [Line Items]    
Metropolitan market areas | item   7
Ameren [Member]    
Conversion of Stock [Line Items]    
Number of people | item   7,500,000
Lessor Operating Lease Term Of Contract, Combined   40 years
Lease term   30 years
Lease extension   10 years
Scheduled prepayments   $ 48.0
Percentage of prepayments   50.00%
SDG&E [Member]    
Conversion of Stock [Line Items]    
Number of people | item   3,600,000
Payments to Acquire Productive Assets 20.0  
Asset Acquisition, Consideration Transferred 50.0  
Asset Acquisition, Contingent Consideration, Liability $ 30.0