Investments - Celularity - Additional Information (Details) - USD ($)		12 Months Ended
	Jul. 16, 2021	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Equity Method Investments [Line Items]
Purchase of common stock, value		$ 13,690,000	$ 9,544,000
Common stock, shares outstanding (in shares)		314,573,225	275,285,582
Celularity
Schedule Of Equity Method Investments [Line Items]
Equity security without readily determinable fair value, amount	$ 125,000,000.0
Celularity | Restricted Shares
Schedule Of Equity Method Investments [Line Items]
Unrealized gain (loss) on equity investment		$ 37,300,000
Celularity | Private Placement Shares
Schedule Of Equity Method Investments [Line Items]
Unrealized gain (loss) on equity investment		$ 2,400,000
Class A Common Stock | Celularity
Schedule Of Equity Method Investments [Line Items]
Common stock received	19,922,124	19,922,124
Common stock, shares outstanding (in shares)		20,422,124
Common stock shares subject to transfer restrictions	19,922,124
Common stock shares subject to transfer restrictions description	19,922,124 shares of the Class A Common Stock of Celularity held by the Company are subject to transfer restrictions until the earliest to occur of (i) 365 days after July 16, 2021; (ii) the first day after the date on which the closing price of the Class A Common Stock equals or exceeds $12.00 per share (as adjusted for stock splits, stock dividends, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after July 16, 2021; or (iii) the date on which Celularity completes a liquidation, merger, capital stock exchange, reorganization or other similar transaction that results in all of Celularity’s public shareholders having the right to exchange their Class A Common Stock for cash, securities or other property, subject to certain exceptions (the “Restricted Shares”)
Closing price of common stock	$ 12.00
Class A Common Stock | Celularity | Private Placement
Schedule Of Equity Method Investments [Line Items]
Purchase of common stock, shares	500,000
Purchase of common stock, value	$ 5,000,000