Acquisition - Pro Forma Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Business Acquisition [Line Items]
Net revenue as reported	$ 58,783	$ 40,603	$ 144,212	$ 88,817
Operating losses	106	(14,071)	(15,610)	(36,799)	$ (54,300)
Truweo
Business Acquisition [Line Items]
Truweo net revenue	2,515	1,920	11,155	5,182
Net revenue pro forma	61,298	42,523	155,367	93,999
Truweo operating income	1,316	854	5,484	2,460
Operating income (loss) pro forma	$ 1,422	$ (13,217)	$ (10,126)	$ (34,339)