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Employee Benefit Plan - Additional Information (Details) - 401 (k) Plan - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Defined Contribution Plan Disclosure [Line Items]      
Eligibility age of employees for plan 18 years    
Employee minimum service period 90 days    
Employer contribution amount $ 691,000 $ 602,000 $ 481,000