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The Company and Liquidity (Additional Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Nov. 03, 2023	Dec. 31, 2022
Date of incorporation	Nov. 30, 2014
Common stock, shares issued	8,016,516		271,371
Exchange Ratio	4.9688%
Cash and cash equivalents	$ 166,150	$ 36,600	$ 36,333
Accumulated deficit	(183,005)		$ (101,833)
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] | Minimum [Member]
Sale of Stock, Price Per Share	$ 111.9
Preferred Stock [Member] | Legacy Korro [Member]
Exchange Ratio		4.9688%

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