Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended	9 Months Ended
	Sep. 08, 2022	May 18, 2022	Mar. 01, 2022	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	May 20, 2022	Dec. 31, 2021	Jul. 16, 2021	Dec. 31, 2020
Stockholders Equity Details [Line Items]
Common stock, shares authorized				730,000,000	730,000,000			730,000,000
Common stock, par value (in Dollars per share)				$ 0.0001	$ 0.0001			$ 0.0001	$ 0.0001
Common stock, voting Rights					common stock are entitled to one vote per share
Preferred stock, shares authorized				10,000,000	10,000,000			10,000,000
Preferred stock, shares issued				0	0			0
Preferred stock, shares outstanding				0	0			0
Class of warrant or right, outstanding				33,458,460	33,458,460
Proceeds from PIPE financing					$ 30,000	$ 83,400
Fair value of the warrant liability				$ 14,094	14,094			$ 25,962		$ 76,640
Proceeds from the exercise of warrants					$ 46,490
Warrants
Stockholders Equity Details [Line Items]
Call price of public warrants				$ 0.01	$ 0.01
Minimum prior written notice period for redemption					30 days
Description of call provision					at any time while the Public Warrants are exercisable,•upon not less than 30 days’ prior written notice of redemption to each Public Warrant holder,•if, and only if, there is a current registration statement in effect with respect to the issuance of the common stock underlying such warrants at the time of redemption and for the entire 30-day trading period referred to above and continuing.
May 2022 PIPE Warrants
Stockholders Equity Details [Line Items]
Class of warrant or right, outstanding				4,054,055	4,054,055
Exercise per share price (in Dollars per share)				$ 8.25	$ 8.25
Warrants and rights outstanding, expire date				May 20, 2027	May 20, 2027
May 2022 PIPE Warrants | Private Placement
Stockholders Equity Details [Line Items]
Proceeds from PIPE financing		$ 30,000
Net related cost		27,396
Reduction to additional paid in capital		2,604
Proceeds from issuance of private placement in additional paid in capital, net		$ 7,651
Exercise per share price (in Dollars per share)		$ 8.25
Warrants and rights outstanding, expire date		May 20, 2027
Term (years)		5 years
Warrants and rights issued closing date		May 20, 2022
Fair value of the warrant liability							$ 19,745
At the Market Sales Agreement
Stockholders Equity Details [Line Items]
Sales agents commission rate					3.00%
Net proceeds from sale of common stock				$ 4,131	$ 4,131
Gross proceeds from sale of common stock				$ 4,570	$ 4,570
Legacy Celularity
Stockholders Equity Details [Line Items]
Warrants outstanding to purchase shares of common stock			13,281,386
Number of shares issued			13,281,386
Issuance cost of equity			$ 15,985
Minimum | Legacy Celularity
Stockholders Equity Details [Line Items]
Exercise per share price (in Dollars per share)			$ 3.50
Minimum | Legacy Celularity | Preferred Stock
Stockholders Equity Details [Line Items]
Percentage of shares required for voting					50.00%
Maximum | Legacy Celularity
Stockholders Equity Details [Line Items]
Exercise per share price (in Dollars per share)			$ 7.53
Class A Common Stock
Stockholders Equity Details [Line Items]
Common stock, shares authorized				730,000,000	730,000,000
Common stock, par value (in Dollars per share)				$ 0.0001	$ 0.0001				$ 0.0001
Class of warrant or right, outstanding				33,458,460	33,458,460
Class A Common Stock | May 2022 PIPE Warrants | Private Placement
Stockholders Equity Details [Line Items]
Class of warrant or right, outstanding		4,054,055
Warrants outstanding to purchase shares of common stock		4,054,055
Share price (in Dollars per share)		$ 7.40
Class A Common Stock | Legacy Celularity
Stockholders Equity Details [Line Items]
Proceeds from the exercise of warrants			$ 46,485
Common Stock | At the Market Sales Agreement
Stockholders Equity Details [Line Items]
Aggregate offering price	$ 150,000
Sale of shares					1,817,830
Average price per share				$ 2.51	$ 2.51