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COMMON STOCK - Narrative (Details) | Nov. 22, 2021 vote $ / shares | Dec. 29, 2024 shares | Dec. 31, 2023 shares
--- | --- | --- | ---
Class of Stock [Line Items] |  |  |
Death or permanent disability of founder | 1 year |  |
IPO |  |  |
Class of Stock [Line Items] |  |  |
Shares issued (in dollars per share) | $ / shares | $ 28.00 |  |
Class B Common Stock Converted To Class A Common Stock |  |  |
Class of Stock [Line Items] |  |  |
Death or permanent disability of founder | 9 months |  |
Registration statement for the company’s IPO occurs | 10 years |  |
Sweetgreen, Inc. Founders | Series J Preferred Stock Converted To Common Stock |  |  |
Class of Stock [Line Items] |  |  |
Conversion ratio | 1 |  |
Common Class B |  |  |
Class of Stock [Line Items] |  |  |
Votes per share | vote | 10 |  |
Common stock, shares outstanding (in shares) | shares |  | 11,915,758 | 12,939,094
Common Class A |  |  |
Class of Stock [Line Items] |  |  |
Votes per share | vote | 1 |  |
Common stock, shares outstanding (in shares) | shares |  | 105,200,553 | 99,700,052

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