Financial Instruments Owned, at Fair Value	6 Months Ended
	Jun. 30, 2023
Investments, Debt and Equity Securities [Abstract]
Financial Instruments Owned, at Fair Value	Financial Instruments Owned, at Fair ValueFinancial instruments owned, at fair value primarily consist of unencumbered U.S. Treasury bills held for liquidity purposes. Total Financial instruments owned, at fair value were $40.5 million and $39.3 million as of June 30, 2023 and December 31, 2022, respectively. For additional information, see Note 12—“Fair Value of Financial Assets and Liabilities.”These instruments are measured at fair value, with any changes in fair value recognized in earnings in the Company’s unaudited Condensed Consolidated Statements of Operations. The Company recognized no unrealized net gains or losses for the three and six months ended June 30, 2023. The Company recognized unrealized net losses of $0.1 million for the three and six months ended June 30, 2022, respectively, related to the mark-to-market adjustments on such instruments.