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Benefit Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Retirement Benefits [Abstract]      
Employee contribution limit per calendar year to 401 (k) Plan (as a percent of compensation) 60.00%    
Employer match of employee contributions of first 6% of eligible compensation (as a percent) 50.00%    
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 6.00%    
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 1.8 $ 2.0 $ 2.1