Revenue Recognition - Schedule of Contract Balances (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Revenue from Contract with Customer [Abstract]
Contract asset	$ 8,895	$ 8,974
Contract liability, gross	19,256	20,478
Net deferred revenue	10,361	11,504
Deferred revenue, current portion	4,401	4,428
Deferred revenue, net of current portion	$ 5,960	$ 7,076