| Acquisitions - Schedule of Intangible Assets Acquired (Details) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
| Mar. 31, 2021 | Mar. 31, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | |
| Acquired Finite-Lived Intangible Assets [Line Items] | ||||
| Amortization expense | $ 9,631 | $ 4,499 | ||
| Culture Kings | ||||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||||
| Estimated Fair Value | $ 73,209 | $ 73,209 | ||
| Culture Kings | Brands | ||||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||||
| Estimated Fair Value | $ 68,354 | 68,354 | ||
| Amortization expense | 6,835 | |||
| Estimated Useful Life in Years | 10 years | |||
| Culture Kings | Customer relationships | ||||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||||
| Estimated Fair Value | $ 4,855 | 4,855 | ||
| Amortization expense | $ 1,214 | |||
| Estimated Useful Life in Years | 4 years | |||
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- 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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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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