Business Combinations - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Feb. 22, 2024	Dec. 31, 2023	Jul. 31, 2023	Apr. 10, 2023
Business Combinations and Disposals [Line Items]
Common stock, par value (in Dollars per share)	$ 0.0001		$ 0.0001			$ 0.0001
Goodwill	$ 7,347		$ 7,347			$ 7,347
Liabilities	111,560		111,560			$ 102,929
Expense reduction in fair value of warrants	$ (714)	$ (5,187)	1,156	$ (6,788)
Equity classification of Legacy Celularity warrants			$ 2,970
Common stock, shares issued	21,984,614		21,984,614			19,378,192
Common stock, shares outstanding	21,984,614		21,984,614			19,378,192
Warrants outstanding to purchase shares of common stock							892,856
Aggregate purchase price			$ 6,000	$ 12,750
Class A Common Stock
Business Combinations and Disposals [Line Items]
Common stock, par value (in Dollars per share)	$ 0.0001		$ 0.0001		$ 0.0001	$ 0.0001
Common stock, shares issued	21,984,614		21,984,614			19,378,192
Common stock, shares outstanding	21,984,614		21,984,614			19,378,192
Warrants outstanding to purchase shares of common stock							857,142	923,076