Related Party Transactions - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Aug. 07, 2018	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Related Party Transaction [Line Items]
Share-based compensation expense		$ 1,853	$ 1,407	$ 6,416	$ 5,290
Services Agreement | Michael Brauser-Former Executive Chairman
Related Party Transaction [Line Items]
Related party stockholder, percent	10.00%
Term of agreement, related party	1 year
Renewal term of agreement, related party	1 year
Consulting service fee monthly payment	$ 30
Consulting service fee recognized amount		90	90	270	270
Services Agreement | Michael Brauser-Former Executive Chairman | Restricted Stock Units (RSUs)
Related Party Transaction [Line Items]
Share-based compensation expense		$ 343	$ 343	$ 1,022	$ 1,458