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Employee Benefit Plans - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Compensation And Retirement Disclosure [Abstract]      
Employer matching contribution, percent of match 50.00%    
Defined contribution plan, maximum annual contributions per employee, percent 6.00%    
Annual maximum amount of employee contributions $ 5,000,000    
Defined contribution plan, employer contribution $ 2,708,000 $ 1,953,000 $ 724,000