Related Party Transactions (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Mar. 21, 2024	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Related Party Transaction [Line Items]
Issuance of common stock from private placement, net (in shares)	8,670,653
Research and development		$ 3,791	$ 6,451	$ 18,670	$ 23,933
Accounts payable		4,323		$ 4,323		$ 4,257
Investor
Related Party Transaction [Line Items]
Issuance of common stock from private placement, net (in shares)				3,343,330
Related Party
Related Party Transaction [Line Items]
Research and development		0	$ 200	$ 700	$ 400
Accounts payable		$ 0		$ 0		$ 100

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

LENZ Therapeutics, Inc. 10-Q