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Commitments and Contingencies (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2021
Commitments And Contingencies Disclosure [Line Items]      
Insurance recoveries   $ 0.8  
Non-cancelable commitments     $ 36.1
Non-cancelable commitments due in 2022     23.6
Non-cancelable commitments due in 2023     9.4
Non-cancelable commitments due in 2024     3.1
Minimum      
Commitments And Contingencies Disclosure [Line Items]      
Loss contingency in excess of accrual, range of possible loss     0.0
Maximum      
Commitments And Contingencies Disclosure [Line Items]      
Loss contingency in excess of accrual, range of possible loss     0.1
Unused Credit Card Lines      
Commitments And Contingencies Disclosure [Line Items]      
Remaining credit available   $ 287.3 467.6
Federal Trade Commission Inquiry      
Commitments And Contingencies Disclosure [Line Items]      
Accrued regulatory expense     $ 179.3
Litigation settlement, amount awarded to other party $ 175.0    
Accrued professional fees $ 4.3