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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]    
Deferred revenue due to performance obligations $ 1,183 $ 1,121
ASU 2014-09    
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]    
Deferred revenue, revenue recognized 5,800  
Deferred revenue due to performance obligations $ 7,000