Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands							6 Months Ended
	May 18, 2023	Apr. 10, 2023	Mar. 20, 2023	Sep. 08, 2022	May 18, 2022	Mar. 01, 2022	Jun. 30, 2023	Jun. 30, 2022	Jul. 14, 2023	Dec. 31, 2022	Dec. 31, 2021
Stockholders Equity Details [Line Items]
Common stock, shares authorized							730,000,000		110,000,000	730,000,000
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							62,134,916
Purchase price of per share		$ 0.65
Proceeds from PIPE financing							$ 12,750	$ 30,000
Exercise price		$ 0.75
Fair value of the warrant liability		$ 4,280					$ 6,277			$ 3,598	$ 25,962
Proceeds from the exercise of warrants		$ 6,000						$ 46,489
Warrant term		5 years
Debt instrument payment		$ 5,505
May 2022 PIPE Warrants
Stockholders Equity Details [Line Items]
Class of warrant or right, outstanding							4,054,055
Exercise price							$ 0.75
Reduced exercise price		$ 0.75
Amended termination date description		date to five and one-half years following the closing of the offering
Warrants and rights outstanding, expire date							Oct. 10, 2028
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 price					$ 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
Additional warrant liability		$ 1,389
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 price							$ 3
Warrants and rights outstanding, expire date							Mar. 27, 2028
Term (years)							5 years
Premium paid for private placement purchase			$ 1,650
Adjusted advance notice period			61 days
May 2023 PIPE Warrants
Stockholders Equity Details [Line Items]
Class of warrant or right, outstanding							5,813,945
Proceeds from PIPE financing	$ 3,750
Exercise price	$ 1						$ 1.00
Warrants and rights outstanding, expire date	May 18, 2028						May 17, 2028
Term (years)	5 years
Adjusted advance notice period	61 days
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 to purchase aggregate shares						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 price						$ 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 price						$ 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							62,134,916
Warrants to purchase aggregate shares		9,230,770
Purchase and sale of shares		9,230,770
Class A Common Stock | May 2022 PIPE Warrants
Stockholders Equity Details [Line Items]
Purchase price of per share					$ 7.4
Class A Common Stock | May 2022 PIPE Warrants | Private Placement
Stockholders Equity Details [Line Items]
Warrants to purchase aggregate shares					4,054,055
Purchase price of per share					$ 7.4
Purchase and sale of shares					4,054,055
Class A Common Stock | March 2023 PIPE Warrants
Stockholders Equity Details [Line Items]
Purchase price of per share			$ 0.8343
Purchase and sale of shares			9,381,841
Class A Common Stock | March 2023 PIPE Warrants | Private Placement
Stockholders Equity Details [Line Items]
Purchase price of per share			$ 0.125
Class A Common Stock | May 2023 PIPE Warrants
Stockholders Equity Details [Line Items]
Purchase price of per share	$ 0.52
Purchase and sale of shares	5,813,945
Class A Common Stock | May 2023 PIPE Warrants | Private Placement
Stockholders Equity Details [Line Items]
Purchase price of 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 to purchase aggregate shares			9,381,841
Class A Common Stock | Maximum | May 2023 PIPE Warrants | Private Placement
Stockholders Equity Details [Line Items]
Warrants to purchase aggregate shares	5,813,945
Common Stock | At the Market Sales Agreement
Stockholders Equity Details [Line Items]
Aggregate offering price				$ 150,000
Purchase and sale of shares							132,958
Average price per share							$ 1.06
Dr. Hariri | March 2023 PIPE Warrants | Private Placement
Stockholders Equity Details [Line Items]
Proceeds from PIPE financing			$ 2,000