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Common Stock, Shares, Cancelled

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Noncontrolling Interest, Number Of Shares Purchased

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Noncontrolling Interest, Tax Benefit Distributions To Noncontrolling Interest Holders, Percent

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Sale of Stock, Price Per Share Net Of Underwriting Discount

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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.

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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 number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

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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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The cash outflow for cost incurred directly with the issuance of an equity security.

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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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Number of shares issued during the period as a result of the conversion of convertible securities.

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Number of new stock issued during the period.

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Number of stock bought back by the entity at the exercise price or redemption price.

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Business and Organization (Details) $ / shares in Units, $ in Millions			3 Months Ended	12 Months Ended
	Sep. 27, 2021 USD ($) $ / shares shares	Sep. 22, 2021 USD ($) shares	Dec. 31, 2021 shares	Dec. 31, 2021 segment	Sep. 23, 2021 shares
Concentration Risk [Line Items]
Number of operating segments \| segment				1
Number of reportable segments \| segment				1
Tax benefit distributions to noncontrolling interest holders, percent	85.00%		85.00%	85.00%	85.00%
Class P Warrants
Concentration Risk [Line Items]
Warrant carrying value \| $		$ 6.4
Conversion of convertible securities (in shares)		534,589
Class A Common Stock
Concentration Risk [Line Items]
Conversion of stock, shares issued (in shares)			28,053
Class B Common Stock
Concentration Risk [Line Items]
Stock issued during period, shares, new issues (in shares)	36,064,421		144,031
Class C Common Stock
Concentration Risk [Line Items]
Stock issued during period, shares, new issues (in shares)	50,232,863
Class B And Class C Common Stock
Concentration Risk [Line Items]
Common stock, shares, cancelled (in shares)	1,249,999
Class F, P and M Units Converted Into Common LLC Units
Concentration Risk [Line Items]
Conversion of stock, shares issued (in shares)	86,297,284
Conversion ratio	1.8588
Class F Units Converted Into Common LLC Units
Concentration Risk [Line Items]
Conversion ratio	1.8942
Class P Units Converted Into Common LLC Units
Concentration Risk [Line Items]
Conversion ratio	1.9080
Class M Units Converted Into Common LLC Units
Concentration Risk [Line Items]
Conversion ratio	1.7735
LLC Units Converted Into Class A And Class D Common Stock
Concentration Risk [Line Items]
Conversion ratio	1		1	1
Brilliant Earth, LLC
Concentration Risk [Line Items]
Economic interest percent				10.10%
Brilliant Earth, LLC
Concentration Risk [Line Items]
Noncontrolling interest, number of shares purchased (in shares)					8,333,333
Purchase of units from noncontrolling interest \| $	$ 93.5
Brilliant Earth, LLC \| Member Units
Concentration Risk [Line Items]
Noncontrolling interest, number of shares purchased (in shares)	8,333,333
Continuing Equity Owners
Concentration Risk [Line Items]
Noncontrolling interest, number of shares purchased (in shares)					1,249,999
Purchase of units from noncontrolling interest \| $	$ 14.0
Continuing Equity Owners \| Class B Common Stock
Concentration Risk [Line Items]
Stock redeemed (in shares)	522,386
Continuing Equity Owners \| Class C Common Stock
Concentration Risk [Line Items]
Stock redeemed (in shares)	727,613
Continuing Equity Owners \| Member Units
Concentration Risk [Line Items]
Noncontrolling interest, number of shares purchased (in shares)	1,249,999
IPO
Concentration Risk [Line Items]
Payments of stock issuance costs \| $	$ 13.4
Sale of stock, price per share net of underwriting discount (in dollars per share) \| $ / shares	$ 11.22
IPO \| Class A Common Stock
Concentration Risk [Line Items]
Number of shares issued in transaction (in shares)	9,583,332
Sale of stock, price per share (in dollars per share) \| $ / shares	$ 12.00
Consideration received on transaction \| $	$ 101.6
Over-Allotment Option \| Class A Common Stock
Concentration Risk [Line Items]
Number of shares issued in transaction (in shares)	1,249,999
Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk \| United States
Concentration Risk [Line Items]
Concentration risk, percentage				90.00%