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Preferred Stock - Schedule Of Preferred Stock Authorized, Issued And Outstanding Table (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Class of Stock [Line Items] |  |
Preferred stock, shares authorized | 10,000,000 | 0
Preferred Stock Outstanding | 0 | 0
Preferred Stock Issued | 0 | 0
Preferred stock, $0.001 par value; 10,000,000 shares and no shares authorized at December 31, 2023 and 2022; no shares issued and outstanding at December 31, 2023 and 2022 | $ 0 | $ 0
Series Seed Preferred Stock [Member] |  |
Class of Stock [Line Items] |  |
Preferred Stock Outstanding | 0 | 684,739
Series A Preferred Stock [Member] |  |
Class of Stock [Line Items] |  |
Preferred Stock Outstanding | 0 | 2,029,666
Legacy Korro [Member] |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized |  | 4,855,239
Preferred Stock Outstanding |  | 4,042,000
Preferred Stock Issued |  | 4,042,000
Preferred stock, $0.001 par value; 10,000,000 shares and no shares authorized at December 31, 2023 and 2022; no shares issued and outstanding at December 31, 2023 and 2022 |  | $ 163,863
Liquidation Value |  | $ 178,115
Common Stock Issuable Upon Conversion |  | 4,042,000
Legacy Korro [Member] | Series Seed Preferred Stock [Member] |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized |  | 684,739
Preferred Stock Outstanding |  | 684,739
Preferred Stock Issued |  | 684,739
Preferred stock, $0.001 par value; 10,000,000 shares and no shares authorized at December 31, 2023 and 2022; no shares issued and outstanding at December 31, 2023 and 2022 |  | $ 15,924
Liquidation Value |  | $ 16,115
Common Stock Issuable Upon Conversion |  | 684,739
Legacy Korro [Member] | Series A Preferred Stock [Member] |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized |  | 2,029,666
Preferred Stock Outstanding |  | 2,029,666
Preferred Stock Issued |  | 2,029,666
Preferred stock, $0.001 par value; 10,000,000 shares and no shares authorized at December 31, 2023 and 2022; no shares issued and outstanding at December 31, 2023 and 2022 |  | $ 77,736
Liquidation Value |  | $ 91,500
Common Stock Issuable Upon Conversion |  | 2,029,666
Legacy Korro [Member] | Series B-1 Preferred Stock [Member] |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized |  | 1,104,178
Preferred Stock Outstanding |  | 1,104,178
Preferred Stock Issued |  | 1,104,178
Preferred stock, $0.001 par value; 10,000,000 shares and no shares authorized at December 31, 2023 and 2022; no shares issued and outstanding at December 31, 2023 and 2022 |  | $ 57,703
Liquidation Value |  | $ 58,000
Common Stock Issuable Upon Conversion |  | 1,104,178
Legacy Korro [Member] | Series B-2 Preferred Stock [Member] |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized |  | 1,036,656
Preferred Stock Outstanding |  | 223,417
Preferred Stock Issued |  | 223,417
Preferred stock, $0.001 par value; 10,000,000 shares and no shares authorized at December 31, 2023 and 2022; no shares issued and outstanding at December 31, 2023 and 2022 |  | $ 12,500
Liquidation Value |  | $ 12,500
Common Stock Issuable Upon Conversion |  | 223,417

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