v3.19.3.a.u2
Deferred Revenue - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Jan. 01, 2018
Revenue from Contract with Customer [Abstract]      
Current portion $ 56,691 $ 39,180 $ 30,694
Long term portion $ 5,969 $ 1,881 $ 1,352