Financial Instruments Owned, at Fair Value	3 Months Ended
	Mar. 31, 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 $41.3 million and $39.3 million as of March 31, 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 unrealized net losses of $33 thousand and $9 thousand for the three months ended March 31, 2023 and 2022, respectively, related to the mark-to-market adjustments on such instruments.