Deferred Revenue - Additional Information (Details 1) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-04-01 - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Deferred Revenue [Line Items]
Remaining performance obligation		$ 6.0
Remaining performance obligation, expected timing of satisfaction, period	1 year