v3.25.2
Loans - Secured Loans Characteristics (Details)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2025
USD ($)
Loans
MortageLoan
MortgageLoan
Country
Dec. 31, 2024
USD ($)
MortageLoan
MortgageLoan
Country
Dec. 31, 2023
USD ($)
Secured Loan Transactions [Line Items]      
Number of secured loans | Loans 29    
Number of secured loans | MortageLoan 29 36  
First trust deeds | MortageLoan 23,000 27,000  
Second trust deeds | MortageLoan 6,000 9,000  
Secured loans - principal $ 45,185 $ 53,475 $ 53,475
First trust deeds 39,779 46,945  
Second trust deeds 5,406 6,530  
Average secured loan - principal $ 1,558 $ 1,485  
Average principal as percent of total principal 3.40% 2.80%  
Average principal as percent of members' and manager's capital, net 2.50% 2.30%  
Average principal as percent of total assets 2.60% 2.20%  
Largest secured loan - principal $ 7,400 $ 8,106  
Largest principal as percent of total principal 16.40% 15.20%  
Largest principal as percent of members' and manager' s capital, net 11.70% 12.40%  
Largest principal as percent of total assets 12.20% 12.10%  
Smallest secured loan - principal $ 200 $ 185  
Smallest principal as percent of total principal 0.40% 0.30%  
Smallest principal as percent of members' and manager' s capital, net 0.30% 0.30%  
Smallest principal as percent of total assets 0.30% 0.30%  
Number of California counties where security is located | Country 12 13  
Largest percentage of principal in one California county 23.40% 19.70%  
Total principal, secured loans, Loans | Loans 29    
Prepaid Interest      
Secured Loan Transactions [Line Items]      
Number of secured loans | MortgageLoan 0 1  
Total principal, secured loans, Loans | MortgageLoan 0 1  
Prepaid interest $ 0 $ 11  
Minimum [Member]      
Secured Loan Transactions [Line Items]      
Secured loans - interest rate (fixed) 7.80% 7.80%  
Maximum [Member]      
Secured Loan Transactions [Line Items]      
Secured loans - interest rate (fixed) 12.50% 12.50%