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Revenue Recognition - Summary of Significant Change in Deferred Revenue Balance (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2021
Revenue From Contract With Customer [Abstract]    
Revenue recognized that was included in deferred revenue at the beginning of the period $ (3,747) $ (4,206)
Increases due to cash received from customers, excluding amounts recognized as revenue during the period $ 3,333 $ 3,683