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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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