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Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |
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Feb. 16, 2024 | Feb. 15, 2024 | Jul. 31, 2023 | May 18, 2023 | Apr. 10, 2023 | Mar. 20, 2023 | Mar. 14, 2023 | Sep. 08, 2022 | May 18, 2022 | Mar. 01, 2022 | Jul. 31, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Feb. 22, 2024 | Sep. 14, 2023 | 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 |  |  |  |
Warrants to purchase aggregate shares |  |  | 892,856 |  |  |  |  |  |  |  | 892,856 |  |  |  |  |  |
Proceeds from the exercise of warrants |  |  | $ 3,000 |  | $ 6,000 |  |  |  |  |  |  |  |  |  |  |  |
Warrant term |  |  | 5 years |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument payment |  |  | $ 2,740 |  | $ 5,505 |  |  |  |  |  |  |  |  |  |  |  |
Class of warrant or right, outstanding |  |  |  |  |  |  |  |  |  |  |  | 7,070,627 |  |  |  |  |
Proceeds from PIPE financings |  |  |  |  |  |  |  |  |  |  |  | $ 12,750 | $ 30,000 |  |  |  |
Exercise price |  |  |  |  | $ 7.5 |  |  |  |  |  |  |  |  |  |  |  |
Fair value of the warrant liability |  |  | 2,645 |  | $ 4,280 |  |  |  |  |  | $ 2,645 | 4,359 | 3,598 |  |  | $ 25,962 |
Reduced exercise price |  |  |  |  |  |  |  |  |  |  | $ 3.5 |  |  |  |  |  |
Additional warrant liability |  |  |  |  | $ 1,389 |  |  |  |  |  |  |  |  |  |  |  |
Warrant liabilities |  |  | $ 511 |  |  |  |  |  |  |  | $ 511 | 4,359 | $ 3,598 |  |  |  |
Purchase price of per share |  |  | $ 3.5 |  | $ 6.5 | $ 83.43 |  |  |  |  | $ 3.5 |  |  |  |  |  |
Fair value of modified warrant, incremental expense |  |  |  |  |  |  |  |  |  |  |  | $ 402 |  |  |  |  |
Amended Employment Agreement | Chief Administrative Officer | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Base salary | $ 425 | $ 500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ATM Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales agents commission rate |  |  |  |  |  |  |  |  |  |  |  | 3.00% |  |  |  |  |
Gross Proceeds From Issuance Of Common Stock |  |  |  |  |  |  |  |  |  |  |  | $ 141 |  |  |  |  |
Net proceeds from sale of common stock |  |  |  |  |  |  |  |  |  |  |  | $ 136 |  |  |  |  |
May 2022 PIPE Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrant or right, outstanding |  |  | 405,405 |  |  |  |  |  |  |  | 405,405 | 405,405 |  |  |  |  |
Exercise price |  |  |  |  |  |  |  |  |  |  |  | $ 3.5 |  |  |  |  |
Warrants and rights outstanding, expire date |  |  |  |  |  |  |  |  |  |  |  | Oct. 10, 2028 |  |  |  |  |
Reduced exercise price |  |  |  |  | $ 7.5 |  |  |  |  |  | $ 3.5 |  |  |  |  |  |
Amended termination date description |  |  |  |  | date to five and one-half years following the closing of the offering |  |  |  |  |  |  |  |  |  |  |  |
May 2022 PIPE Warrants | Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from PIPE financings |  |  |  |  |  |  |  |  | $ 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 |  |  |  |  |  |  |  |  | $ 82.5 |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |
April 2023 Registered Direct Warrants (Modified) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrant or right, outstanding |  |  | 487,451 |  |  |  |  |  |  |  | 487,451 | 487,451 |  |  |  |  |
Exercise price |  |  |  |  |  |  |  |  |  |  |  | $ 3.5 |  |  |  |  |
Warrants and rights outstanding, expire date |  |  |  |  |  |  |  |  |  |  |  | Oct. 10, 2028 |  |  |  |  |
March 2023 PIPE Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrant or right, outstanding |  |  |  |  |  |  |  |  |  |  |  | 208,485 |  |  |  |  |
Proceeds from PIPE financings |  |  |  |  |  | $ 9,000 |  |  |  |  |  |  |  |  |  |  |
Exercise price |  |  |  |  |  |  |  |  |  |  |  | $ 30 |  |  |  |  |
Warrants and rights outstanding, expire date |  |  |  |  |  |  |  |  |  |  |  | Mar. 27, 2028 |  |  |  |  |
Term (years) |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |
Reduced exercise price |  |  |  |  |  |  | $ 10 |  |  |  |  |  |  |  |  |  |
Adjusted advance notice period |  |  |  |  |  | 61 days |  |  |  |  |  |  |  |  |  |  |
Premium paid for private placement purchase |  |  |  |  |  | $ 1,650 |  |  |  |  |  |  |  |  |  |  |
March 2023 PIPE Warrants | Private Placement | Chairman and Chief Executive Officer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from PIPE financings |  |  |  |  |  | $ 2,000 |  |  |  |  |  |  |  |  |  |  |
May 2023 PIPE Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of warrant or right, outstanding |  |  |  |  |  |  |  |  |  |  |  | 581,394 |  |  |  |  |
Proceeds from PIPE financings |  |  |  | $ 3,750 |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price |  |  |  | $ 10 |  |  |  |  |  |  |  | $ 10 |  |  |  |  |
Warrants and rights outstanding, expire date |  |  |  | May 18, 2028 |  |  |  |  |  |  |  | May 17, 2028 |  |  |  |  |
Term (years) |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |
Adjusted advance notice period |  |  |  | 61 days |  |  |  |  |  |  |  |  |  |  |  |  |
Legacy Celularity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares |  |  |  |  |  |  |  |  |  | 1,328,138 |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price |  |  | $ 3.5 |  |  |  |  |  |  |  | $ 3.5 |  |  |  |  |  |
Minimum | Legacy Celularity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price |  |  |  |  |  |  |  |  |  | $ 35 |  |  |  |  |  |  |
Minimum | Legacy Celularity | Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shares required for voting |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price |  |  | $ 7.5 |  |  |  |  |  |  |  | $ 7.5 |  |  |  |  |  |
Maximum | Legacy Celularity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price |  |  |  |  |  |  |  |  |  | $ 75.3 |  |  |  |  |  |  |
Common Stock | ATM Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate Offering Price |  |  |  |  |  |  |  | $ 150,000 |  |  |  |  |  |  |  |  |
Purchase and sale of shares |  |  |  |  |  |  |  |  |  |  |  | 13,296 |  |  |  |  |
Average price per share |  |  |  |  |  |  |  |  |  |  |  | $ 10.6 |  |  |  |  |
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 |  |  |  |
Purchase and sale of shares |  |  | 857,142 |  | 923,076 |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares |  |  | 857,142 |  | 923,076 |  |  |  |  |  | 857,142 | 7,070,627 |  |  |  |  |
Class A Common Stock | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in Dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.0001 |  |  |
Class A Common Stock | May 2022 PIPE Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of per share |  |  |  |  |  |  |  |  | $ 82.5 |  |  |  |  |  |  |  |
Class A Common Stock | May 2022 PIPE Warrants | Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase and sale of shares |  |  |  |  |  |  |  |  | 405,405 |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares |  |  |  |  |  |  |  |  | 405,405 |  |  |  |  |  |  |  |
Purchase price of per share |  |  |  |  |  |  |  |  | $ 74 |  |  |  |  |  |  |  |
Class A Common Stock | May 2022 PIPE Warrants (Modified) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares |  |  | 892,857 |  |  |  |  |  |  |  | 892,857 |  |  |  |  |  |
Class A Common Stock | March 2023 PIPE Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase and sale of shares |  |  |  |  |  | 938,183 |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 729,698 |  |
Purchase price of per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 30 |  |
Class A Common Stock | March 2023 PIPE Warrants | Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of per share |  |  |  |  |  | $ 1.25 |  |  |  |  |  |  |  |  |  |  |
Class A Common Stock | May 2023 PIPE Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase and sale of shares |  |  |  | 581,394 |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of per share |  |  |  | $ 5.2 |  |  |  |  |  |  |  |  |  |  |  |  |
Class A Common Stock | May 2023 PIPE Warrants | Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of per share |  |  |  | $ 1.25 |  |  |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  | 938,183 |  |  |  |  |  |  |  |  |  |  |
Class A Common Stock | Maximum | May 2023 PIPE Warrants | Private Placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders Equity Details [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares |  |  |  | 581,394 |  |  |  |  |  |  |  |  |  |  |  |  |

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