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Inventory Write-Down And Non-Current Asset Impairment Charges

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Inventory Write-Down And Non-Current Asset Impairment, Net Loss

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The amount of estimated liability as of the balance sheet date for the specific conflagration, earthquake, windstorm, explosion, or similar event.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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- Definition

Cash paid for expenses incurred during underwriting activities (the process to review insurance applications, evaluate risks, accept or reject applications, and determine the premiums to be charged) for insurance companies.

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- Definition

Cash received on stock transaction after deduction of issuance costs.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Basis of Presentation and Summary of Significant Accounting Policies (Details) $ / shares in Units, $ in Thousands		3 Months Ended	9 Months Ended
	Mar. 15, 2021 USD ($) $ / shares shares	Jun. 30, 2021 USD ($)	Sep. 30, 2021 USD ($) numberOfOperatingSegment numberOfReportableSegment	Sep. 30, 2020 USD ($)
Basis of Presentation of Summary of Significant Accounting Policies [Line Items]
Inventory and fixed asset losses due to fulfillment center fire			$ 284,825	$ 0
Number of operating segments \| numberOfOperatingSegment			1
Number of reportable segments \| numberOfReportableSegment			1
Fire
Basis of Presentation of Summary of Significant Accounting Policies [Line Items]
Increase in net loss due to fulfillment center fire			$ 296,000
Fire \| Cost of sales
Basis of Presentation of Summary of Significant Accounting Policies [Line Items]
Inventory and fixed asset losses due to fulfillment center fire		$ 158,000
Fire \| Operating, general and administrative
Basis of Presentation of Summary of Significant Accounting Policies [Line Items]
Inventory and fixed asset losses due to fulfillment center fire		127,000
Liability for catastrophe claims		$ 11,000
Options
Basis of Presentation of Summary of Significant Accounting Policies [Line Items]
Vesting period			4 years
Cash and Cash Equivalents \| Financial Institutions \| Three Financial Institutions
Basis of Presentation of Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage			67.00%
Accounts Receivable \| Customer Concentration Risk \| Four Payment Processing Companies
Basis of Presentation of Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage			50.00%
Common Class A
Basis of Presentation of Summary of Significant Accounting Policies [Line Items]
Sale of stock, number of shares issued in transaction (in shares) \| shares	100,000,000
Sale of stock, price per share (in usd per share) \| $ / shares	$ 35.00
Proceeds from sale of stock, net	$ 3,400,000
Payments for underwriting discounts	$ 69,000