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Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Commitments And Contingencies [Line Items]      
Outstanding refunded commitments $ 8.0   $ 10.4
Total lease expense 0.3 $ 0.1  
Right of use asset $ 5.3   $ 5.3
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other Assets   Other Assets
Lease liability $ 5.5   $ 5.4
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Accounts Payable And Other Accrued Liabilities   Accounts Payable And Other Accrued Liabilities
San Diego Office      
Commitments And Contingencies [Line Items]      
Lease commencement period Mar. 10, 2023    
Lease expiration period Jan. 31, 2026    
Remaining lease term 1 year 9 months 18 days    
Discount rates 7.64%    
Phoenix Office      
Commitments And Contingencies [Line Items]      
Lease commencement period Jul. 10, 2021    
Lease extension date May 31, 2031    
Lease expiration period Oct. 31, 2023    
Remaining lease term 7 years 2 months 12 days    
Discount rates 8.66%