Goodwill and Intangible Assets - Summary of Activity in Carrying Value of Goodwill by Reporting Unit (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Goodwill [Line Items]
Beginning Balance		$ 158,817	$ 78,172
Acquisition		42,886	80,645
Goodwill impairment charge	$ 0	(201,703)	0
Ending Balance	158,817	0	158,817
Ecommerce
Goodwill [Line Items]
Beginning Balance		152,876	72,231
Acquisition		42,886	80,645
Goodwill impairment charge		(195,762)
Ending Balance	152,876	0	152,876
Wholesale
Goodwill [Line Items]
Beginning Balance		1,720	1,720
Acquisition		0	0
Goodwill impairment charge		(1,720)
Ending Balance	1,720	0	1,720
TDA
Goodwill [Line Items]
Beginning Balance		4,221	4,221
Acquisition		0	0
Goodwill impairment charge		(4,221)
Ending Balance	$ 4,221	$ 0	$ 4,221