Significant Accounting Policies - Revenue Recognition Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Disaggregation of Revenue [Line Items] | ||||||
| Sales returns reserve | $ 4,122 | $ 4,122 | $ 3,517 | $ 2,585 | ||
| Breakage Of Online Credit And Gift Cards | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Revenue recognized | $ 100 | $ 300 | $ 100 | $ 300 | ||
| Minimum | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Refund period | 30 days | |||||
| Maximum | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Refund period | 45 days | |||||
| X | ||||||||||
- Definition Revenue From Contracts With Customer, Refund Period No definition available.
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| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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