Goodwill and Intangible Assets - Summary of Activity in Carrying Value of Goodwill by Reporting Unit (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Goodwill [Line Items]
Beginning Balance	$ 158,817	$ 78,172
Acquisition	42,886	81,134
Goodwill impairment charge	(201,703)	0
Ending Balance	0	159,306
Ecommerce
Goodwill [Line Items]
Beginning Balance	152,876	72,231
Acquisition	42,886	81,134
Goodwill impairment charge	(195,762)
Ending Balance	0	153,365
Wholesale
Goodwill [Line Items]
Beginning Balance	1,720	1,720
Acquisition	0	0
Goodwill impairment charge	(1,720)
Ending Balance	0	1,720
TDA
Goodwill [Line Items]
Beginning Balance	4,221	4,221
Acquisition	0	0
Goodwill impairment charge	(4,221)
Ending Balance	$ 0	$ 4,221

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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