Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Allowance for Credit Losses (Details)

v3.20.4
Summary of Significant Accounting Policies - Allowance for Credit Losses (Details) - Subscription Service Receivable
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
Financing Receivable, Allowance for Credit Loss [Roll Forward]  
Balance Beginning of Period $ 0
Provision for credit losses (2,436)
Write-offs 1,978
Balance End of Period (2,085)
Cumulative Effect, Period of Adoption, Adjustment  
Financing Receivable, Allowance for Credit Loss [Roll Forward]  
Balance Beginning of Period (1,627)
Cumulative Effect, Period of Adoption, Adjusted Balance  
Financing Receivable, Allowance for Credit Loss [Roll Forward]  
Balance Beginning of Period $ (1,627)