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Stockholders Equity (Deficit) - Narrative (Details)
$ in Millions
6 Months Ended
Jun. 30, 2021
USD ($)
shares
Class of Stock [Line Items]  
Treasury stock (in shares) 15,458,656
Treasury stock, shares acquired (in shares) 13,425,688
Treasury stock, acquired | $ $ 146.1
Treasury stock reissued (in shares) 0
Treasury Stock | Class A common stock  
Class of Stock [Line Items]  
Unvested stock forfeited and held in treasury (in shares) 1,432,776
Restricted Stock, shares issued net of shares for tax withholdings (in shares) 600,192