Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended
	Mar. 24, 2022	May 05, 2021	Dec. 31, 2021	Mar. 31, 2022	Sep. 30, 2021
Commitments And Contingencies Details [Line Items]
Contingent consideration			$ 232,222	$ 237,071
Contingent consideration obligation			232,222	238,636
Sirion License
Commitments And Contingencies Details [Line Items]
Upfront fee			136
Annual maintenance fee			113
Clinical and regulatory milestones			$ 5,099
License agreement period			10 years
Notice period			30 days
CariCord Participating Shareholders
Commitments And Contingencies Details [Line Items]
Number of shares issued in legal settlement agreement	743,771
Estimated fair value of shares issued in settlement agreement				5,333
Number of additional shares to be issued if certain targets are met under settlement agreement	371,885
Contingent consideration obligation				1,570
Legacy Celularity | Palantir Technologies, Inc | Master Subscription Agreement
Commitments And Contingencies Details [Line Items]
Payments for master subscription agreement		$ 40,000
Payment subscription period		5 years
Annual fee paid					$ 6,000
Costs related to straight line basis agreement				2,000
Legacy Celularity | HLI Cellular Therapeutics, LLC | Anthrogenesis
Commitments And Contingencies Details [Line Items]
Contingent consideration			$ 232,222	$ 237,071