Fair Value of Financial Assets and Liabilities - Schedule of Aggregate Fair Values of the Warrant Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value, Beginning Balance	$ 25,962	$ 76,640
May 2022 PIPE warrant issuance	19,745
Gain recognized in earnings from change in fair value	(42,109)	(13,482)
Reclassification of Legacy Celularity Warrants to equity		(96,398)
Fair Value, Ending Balance	$ 3,598	25,962
Sponsors Warrants
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Warrant liability assumed at Closing Date		34,764
Public Warrants
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Warrant liability assumed at Closing Date		$ 24,438