Summary of Significant Accounting Policies - Net Revenue Disaggregated by Product Categories (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation Of Revenue [Line Items]
Total net revenue	$ 68,188	$ 59,800	$ 116,324	$ 85,428
Product Revenue
Disaggregation Of Revenue [Line Items]
Total net revenue	68,080	59,455	116,034	84,722
Product Revenue | Heating, Cooling and Air Quality
Disaggregation Of Revenue [Line Items]
Total net revenue	26,842	29,541	32,980	39,418
Product Revenue | Kitchen Appliances
Disaggregation Of Revenue [Line Items]
Total net revenue	8,974	11,160	21,124	18,185
Product Revenue | Health and Beauty
Disaggregation Of Revenue [Line Items]
Total net revenue	1,821	5,170	5,463	9,600
Product Revenue | Personal Protective Equipment
Disaggregation Of Revenue [Line Items]
Total net revenue	505	6,656	1,659	6,656
Product Revenue | Cookware, Kitchen Tools and Gadgets
Disaggregation Of Revenue [Line Items]
Total net revenue	5,548	1,984	11,646	2,978
Product Revenue | Home Office
Disaggregation Of Revenue [Line Items]
Total net revenue	2,711	1,199	3,520	1,697
Product Revenue | Housewares
Disaggregation Of Revenue [Line Items]
Total net revenue	9,109	1,111	16,291	2,523
Product Revenue | Essential Oils and Related Accessories
Disaggregation Of Revenue [Line Items]
Total net revenue	9,942		17,295
Product Revenue | Other
Disaggregation Of Revenue [Line Items]
Total net revenue	2,628	2,634	6,056	3,665
PaaS
Disaggregation Of Revenue [Line Items]
Total net revenue	$ 108	$ 345	$ 290	$ 706