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Accrued Expenses and Other Liabilities - Performance Obligation Amount (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Accrued Expenses and Other Liabilities  
Remaining performance obligations $ 27.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01  
Performance obligations  
Percentage of remaining performance obligation expected to be recognized 56.00%