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Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Feb. 22, 2021
Sep. 30, 2021
Feb. 14, 2021
Progressive [Member] | Forecast [Member]      
Merger Agreement [Abstract]      
Share price (in dollars per share)   $ 23.30  
Total transaction value   $ 338  
Subsequent Event [Member]      
Voting and Support Agreement [Abstract]      
Dividend payable, date declared Feb. 22, 2021    
Dividend payable, date to be paid Mar. 10, 2021    
Dividend payable, date of record Mar. 05, 2021    
Subsequent Event [Member] | Progressive [Member] | Maximum [Member]      
Voting and Support Agreement [Abstract]      
Dividend payable (in dollars per share)     $ 0.10
Subsequent Event [Member] | Class A [Member]      
Voting and Support Agreement [Abstract]      
Dividend payable (in dollars per share) $ 0.10    
Subsequent Event [Member] | Class A [Member] | Minimum [Member]      
Voting and Support Agreement [Abstract]      
Percentage of outstanding common stock for voting     35.00%
Subsequent Event [Member] | Class B [Member]      
Voting and Support Agreement [Abstract]      
Dividend payable (in dollars per share) $ 0.10