Leases - Additional Information (Details) $ in Thousands			1 Months Ended	12 Months Ended
	Nov. 01, 2019 USD ($)	Mar. 13, 2019 USD ($) ft²	Sep. 30, 2017	Dec. 31, 2022 USD ($) ft²	Dec. 31, 2021 USD ($)	Jan. 01, 2022 USD ($)	Dec. 31, 2020 USD ($)
Leases [Line Items]
Right-of-use assets - operating leases				$ 13,060
Operating lease liability				$ 27,985
Area of building | ft²				147,215
Restricted cash				$ 14,836	$ 14,836
Weighted average remaining lease term				23 years 3 months 18 days
Weighted average discount rate				11.12%
Rent expense				$ 3,803	1,132
Accumulated deficit				(645,496)	(663,681)
Monthly lease payments				2,834
Legacy Celularity
Leases [Line Items]
Restricted cash							$ 481
Office, Manufacturing and Laboratory Space | Florham Park, New Jersey | Legacy Celularity
Leases [Line Items]
Area of building | ft²		147,215
Restricted cash				$ 14,722	$ 14,722
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
Tenant improvement allowance		$ 14,722
Office Space | Warren, New Jersey | Legacy Celularity
Leases [Line Items]
Operating lease expiry year			2022
Office and Laboratory Space | Cedar Knolls, New Jersey | Legacy Celularity
Leases [Line Items]
Percentage increase in base annual rent	2.00%
Monthly lease payments	$ 15
Adjustments Due to ASC 842
Leases [Line Items]
Right-of-use assets - operating leases						$ 13,001
Operating lease liability						$ 27,723
Change in accounting principle, accounting standards update, adoption date				Jan. 01, 2022		Jan. 01, 2022
Change in accounting principle, accounting standards update, adopted				true		true
Accumulated deficit						$ 3,993