Business Combination - Schedule of Summarizes the Allocation of the Purchase Price to the Net Tangible and Intangible Assets Acquired (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Net assets acquired:
Goodwill	$ 19,462	$ 20,089
resTORbio
Net assets acquired:
Cash and cash equivalents	63,869
Prepaid expenses and other current assets	3,674
Property and equipment	318
IPR&D	3,490
Restricted cash	245
Accounts payable	(1,304)
Accrued and other current liabilities	(2,365)
Deferred tax liability	(367)
Goodwill	19,462
Purchase price	87,022
resTORbio | Preliminary
Net assets acquired:
Cash and cash equivalents		63,869
Prepaid expenses and other current assets		3,059
Property and equipment		318
IPR&D		3,490
Restricted cash		245
Accounts payable		(1,316)
Accrued and other current liabilities		(2,365)
Other liabilities		0
Deferred tax liability		(367)
Goodwill		20,089
Purchase price		$ 87,022
resTORbio | Measurement Period Adjustments
Net assets acquired:
Prepaid expenses and other current assets	615
Accounts payable	12
Goodwill	$ (627)