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The Company and Liquidity (Additional Information) (Details) - USD ($) $ / shares in Units, $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023 | Nov. 03, 2023
Date of incorporation | Nov. 30, 2014 |  |
Common stock, shares issued | 9,279,937 | 8,016,516 |
Exchange Ratio | 4.9688% |  |
Cash ,cash equivalents and marketable securities | $ 187,800 |  |
Accumulated deficit | 224,388 | $ 183,005 |
MS APA Asset [Member] |  |  |
Initial Consideration Amount | 500 |  |
MS APA Asset [Member] | Minimum [Member] |  |  |
Future Milestone Payments | 700 |  |
MS APA Asset [Member] | Maximum [Member] |  |  |
Future Milestone Payments | $ 17,500 |  |
Common Stock [Member] | Legacy Korro [Member] |  |  |
Ownership | 91.00% |  |
Common Stock [Member] | Legacy Korro [Member] | Accredited Investors [Member] |  |  |
Common stock, shares issued |  |  | 42,176,255
Common Stock, Value, Subscriptions |  |  | $ 117,300
Sale of Stock, Price Per Share |  |  | $ 2.78
Common Stock [Member] | Frequency [Member] |  |  |
Common stock, shares issued | 8,623,645 |  | 7,848,776
Ownership | 9.00% |  |
Preferred Stock [Member] |  |  |
Exchange Ratio | 4.9688% |  |
Preferred Stock [Member] | Legacy Korro [Member] |  |  |
Exchange Ratio |  |  | 4.9688%

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