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Commitments and Contingencies - Additional Information (Details) - USD ($)
3 Months Ended
Jul. 18, 2024
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Bank line of credit        
Available committed credit under the facility   $ 4,449,000    
Proceeds from tenant improvement allowances   0 $ 24,000  
Legal fees and expenses $ 6,000,000      
Broker Dealer Credit Facility        
Bank line of credit        
Commitment amount   $ 45,000,000    
Maturity date   May 24, 2026    
Reference rate (as a percent)   Prime rate    
Unused commitment fee percentage   0.25%    
Borrowings under credit facility   $ 0    
Available committed credit under the facility   $ 45,000,000    
Line of credit facility credit period to borrow capital   May 24, 2025    
Line of credit facility, frequency of payments   quarterly    
Revolving Credit Facility        
Bank line of credit        
Base credit commitments   $ 50,000,000    
Fixed rate of interest (as a percent)   3.50%    
Borrowings under the credit facility   $ 0   $ 0
Unused commitment fee percentage   0.25%    
Standby Letters of Credit        
Bank line of credit        
Letters of credit outstanding   $ 551,000    
Corporate Revolving Credit Facility        
Bank line of credit        
Base credit commitments   5,000,000    
Corporate Revolving Credit Facility | Maximum        
Bank line of credit        
Increase in base credit commitment amount   $ 45,000,000    
SOFR | Revolving Credit Facility        
Bank line of credit        
Interest rate margin (as a percent)   1.30%    
Prime | Revolving Credit Facility        
Bank line of credit        
Interest rate margin (as a percent)   (1.50%)    
Reference rate (as a percent)   Prime    
Secured Bank Line of Credit        
Bank line of credit        
Maturity date   Jun. 30, 2026