Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands					3 Months Ended
	Mar. 20, 2023	Sep. 08, 2022	May 18, 2022	Mar. 01, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Jul. 14, 2021
Stockholders Equity Details [Line Items]
Common stock, shares authorized					730,000,000		730,000,000		110,000,000
Common stock, par value (in Dollars per share)					$ 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
Preferred stock, shares issued					0		0
Preferred stock, shares outstanding					0		0
Class of warrant or right, outstanding					43,590,201
Proceeds from PIPE financing					$ 9,000
Fair value of the warrant liability					$ 1,863		$ 3,598	$ 25,962
Proceeds from the exercise of warrants						$ 46,485
May 2022 PIPE Warrants
Stockholders Equity Details [Line Items]
Class of warrant or right, outstanding					4,054,055
Exercise per share price (in Dollars per share)					$ 8.25
Warrants and rights outstanding, expire date					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
March 2023 PIPE Warrants
Stockholders Equity Details [Line Items]
Class of warrant or right, outstanding					9,381,841
Proceeds from PIPE financing	$ 9,000
Exercise per share price (in Dollars per share)					$ 3.00
Warrants and rights outstanding, expire date					Mar. 27, 2028
Term (years)					5 years
Premium paid for private placement purchase	1,650
March 2023 PIPE Warrants | Private Placement | Dr. Hariri
Stockholders Equity Details [Line Items]
Proceeds from PIPE financing	$ 2,000
At the Market Sales Agreement
Stockholders Equity Details [Line Items]
Sales agents commission rate					3.00%
Net proceeds from sale of common stock					$ 136
Gross proceeds from sale of common stock					$ 141
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
Class of warrant or right, outstanding					43,590,201
Class A Common Stock | May 2022 PIPE Warrants | Private Placement
Stockholders Equity Details [Line Items]
Warrants outstanding to purchase shares of common stock			4,054,055
Share price (in Dollars per share)			$ 7.40
Sale of shares			4,054,055
Class A Common Stock | March 2023 PIPE Warrants
Stockholders Equity Details [Line Items]
Share price (in Dollars per share)	$ 0.8343
Sale of shares	9,381,841
Class A Common Stock | March 2023 PIPE Warrants | Private Placement
Stockholders Equity Details [Line Items]
Share price (in Dollars per share)	$ 0.125
Class A Common Stock | Legacy Celularity
Stockholders Equity Details [Line Items]
Proceeds from the exercise of warrants				$ 46,485
Class A Common Stock | Maximum | March 2023 PIPE Warrants | Private Placement
Stockholders Equity Details [Line Items]
Warrants outstanding to purchase shares of common stock	9,381,841
Common Stock | At the Market Sales Agreement
Stockholders Equity Details [Line Items]
Aggregate offering price		$ 150,000
Sale of shares					132,958
Average price per share					$ 1.06