Leases - Additional Information (Details)			3 Months Ended
	Jan. 01, 2022 USD ($)	Mar. 13, 2019 USD ($) ft²	Mar. 31, 2022 USD ($) ft²	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Leases [Line Items]
Area of building | ft²			147,215
Restricted cash			$ 14,825,000		$ 14,836,000
Weighted average remaining lease term			24 years
Weighted average discount rate			9.99%
Rent expense			$ 983	$ 708
Office, Manufacturing and Laboratory Space | Florham Park, New Jersey | Legacy Celularity
Leases [Line Items]
Area of building | ft²		147,215
Operating lease expiry year		2036
Option to renew lease for two additional term period		5 years
Operating lease commencement date		Mar. 01, 2020
Initial monthly base rent		$ 230,000
Restricted cash			$ 14,722,000		$ 14,722,000
Tenant improvement allowance		$ 14,722,000
Adjustments Due to ASC 842
Leases [Line Items]
Change in accounting principle, accounting standards update, adoption date	Jan. 01, 2022
Change in accounting principle, accounting standards update, adopted	true
Additional net lease assets	$ 15,690
Additional net lease liabilities	30,412
Net of reduction in build-to-suit lease	$ 3,996