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Description of Business and Summary of Significant Accounting Policies (Details)	Sep. 30, 2023
Brilliant Earth, LLC
Noncontrolling Interest [Line Items]
Noncontrolling interest, ownership percentage	87.40%

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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.

+ References

No definition available.

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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