Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Significant Accounting Policies - Schedule of Contract Assets and Liabilities (Details)

v3.21.2
Basis of Presentation and Significant Accounting Policies - Schedule of Contract Assets and Liabilities (Details)
$ in Thousands
 9 Months Ended
Sep. 30, 2021
USD ($)
Contract with Customer, Asset and Liability [Abstract]  
Deferred Revenue $ 30,277
Change In Contract With Customer, Liability [Roll Forward]  
Deferred Revenue, December 31, 2018 25,723
Additions 22,089
Revenue Recognized (17,535)
Deferred Revenue, March 31, 2019 30,277
Unbilled AR  
Contract with Customer, Asset and Liability [Abstract]  
Contract Assets 1,720
Change In Contract With Customer, Asset [Roll Forward]  
Unbilled AR, December 31, 2018 1,925
Additions 145
Transferred to Trade Receivable 350
Unbilled AR, March 31, 2019 $ 1,720