v3.24.2.u1
Lines of Credit, Mortgage Payable and Churchill Facility (Details)
1 Months Ended 6 Months Ended 12 Months Ended
Sep. 08, 2023
USD ($)
Mar. 02, 2023
USD ($)
Feb. 28, 2023
USD ($)
Jul. 21, 2021
USD ($)
Feb. 28, 2023
USD ($)
Jun. 30, 2024
USD ($)
loan
Dec. 31, 2023
USD ($)
loan
Dec. 31, 2021
USD ($)
Dec. 31, 2020
Dec. 31, 2022
USD ($)
Line of Credit, Mortgage Payable, and Churchill Facility                    
Outstanding balance           $ 55,000,000 $ 61,792,000      
Total outstanding principal balance on mortgage           $ 264,739,000        
Amortization schedule     20 years              
Term of Federal Home Loan Bank of Boston Classic Advance Rate         5 years          
Threshold asset coverage ratio           150.00%        
Wells Fargo credit line                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Spread on variable rate           7.02% 6.77%   1.75%  
Outstanding balance           $ 0 $ 26,800,000      
Needham Credit Facility                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Outstanding balance           $ 55,000,000.0 35,000,000.0      
Fixed annual rate           8.25%        
Right to extend the term (in years)   1 year                
Interest rate 4.50%                  
Maximum borrowing capacity $ 65,000,000 $ 45,000,000                
Maximum contingent borrowing capacity   $ 75,000,000                
Percentage of asset coverage ratio           150.00%        
Minimum cash, cash equivalents and availability           $ 10,000,000        
Needham Credit Facility | Prime Rate                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Percentage reduced from prime rate for calculating annual interest rate 0.25%                  
New Haven Bank Mortgage                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Principal amount     $ 1,660,000   $ 1,660,000     $ 1,400,000    
Total outstanding principal balance on mortgage           1,000,000.0 1,100,000     $ 750,000
Fixed annual rate     5.75%   5.75%     3.75%    
Interest accrued period         60 months     72 months    
New Haven Bank Mortgage | Federal Home Loan Bank of Boston Classic Advance Rate                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Spread on variable rate         1.75%          
Churchill Facility                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Outstanding balance           $ 23,000,000.0 $ 26,500,000      
Fixed annual rate       0.25%   9.60% 9.47%      
Unpaid principal balance           $ 54,000,000.0 $ 50,600,000      
Repurchase face amount       $ 200,000,000            
Notes callable period       90 days            
Threshold asset coverage ratio           150.00%        
Term of debt           180 days        
Number of first line mortgage loans | loan           16 14      
Minimum unencumbered cash and cash equivalent, percentage           2.50%        
Minimum                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Repayment of long-term loan           $ 47,000        
Term of debt           1 year        
Minimum | Needham Credit Facility                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Notice period for terminating the Credit Facility, prior to the proposed date of termination   10 years                
Adjusted EBITDA coverage ratio           1.0        
Minimum | Churchill Facility                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Fixed annual rate       3.00%            
Maximum                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Repayment of long-term loan           $ 59,000        
Term of debt           3 years        
Maximum | Needham Credit Facility                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Adjusted EBITDA coverage ratio           1.40        
Maximum | Churchill Facility                    
Line of Credit, Mortgage Payable, and Churchill Facility                    
Fixed annual rate       4.00%