v3.24.1

Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Deferred Income Tax Expense (Benefit)	$ (3,461)	$ 0
Deferred IncomeTax Federal	1,400
Deferred Income Tax State	2,100
Current Income Tax Expense	0	0
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	10,800
Net Operating Losses	$ 275,100
Operating Loss Carryforwards, Expiration Year	2037
Research and Development Expense	$ 7,199	52,863
Research and Development Credits, Expiration year	which will expire at various dates through 2041
Income Tax Examination, Penalties and Interest Accrued	$ 0	$ 0
Tax credit carryforward percent	3.39%	5.00%
Federal [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Losses		$ 230,900	$ 237,900
Operating Loss Carry forwards Prior Period	$ 37,200
Research and Development Expense	6,700	4,900
state [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Losses	$ 15,900	13,300
Operating Loss Carry Forwards Expiration Period	20 years
Research and Development Expense	$ 2,000	$ 1,100
Tax credit carryforward percent	50.00%

Effective Income Tax Rate Reconciliation Tax Credits Research Expiration date.

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Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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Amount of deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred national tax expense (benefit) for non-US (United States of America) jurisdiction.

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Amount of deferred state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Finch Therapeutics Group, Inc. 10-K