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Equity - Activity for Class B Common Stock and Treasury Stock (Details) - shares
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning Balance (in shares) 16,094,488 10,174,013
Stock Award Activity (in shares) (1,692,542) (712,924)
Purchase of Treasury Stock (in shares) 3,039,917 1,505,000
Ending Balance (in shares) 17,441,863 10,966,089
Class B Shares    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning Balance (in shares) 93,410,968 99,331,443
Stock Award Activity (in shares) 1,692,542 712,924
Purchase of Treasury Stock (in shares) (3,039,917) (1,505,000)
Ending Balance (in shares) 92,063,593 98,539,367
Purchase of Treasury Stock (in shares) 3,000,000