Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Additional Information (Details)

v3.24.3
Borrowings - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Mar. 31, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Feb. 03, 2022
Feb. 02, 2022
Debt Instrument [Line Items]                
Net cost basis $ 1,273,579,000     $ 1,273,579,000        
Other income 370,000   $ 382,000 3,295,000 $ 3,365,000      
Borrowings under lines of credit 200,000     200,000   $ 200,000    
Expected reclassification as reduction to interest expense       1,600,000        
Notes and Bonds Payables                
Debt Instrument [Line Items]                
Repayments of maturing loans       29,500,000        
Borrowings                
Debt Instrument [Line Items]                
Net cost basis $ 1,100,000,000     $ 1,100,000,000        
Weighted average interest rate 3.83%   3.81% 3.82% 3.79%      
Farm Credit Notes Payable                
Debt Instrument [Line Items]                
Reduction in interest rate           22.00%    
Reduction in basis points           1.01%    
Other income   $ 1,900,000 $ 111,000          
Farm Credit Notes Payable | Notes and Bonds Payables | Weighted average                
Debt Instrument [Line Items]                
Interest rate, stated percentage 3.66%     3.66%        
Interest rate, effective percentage 3.23%     3.23%        
MetLife Lines of Credit | Notes and Bonds Payables                
Debt Instrument [Line Items]                
Face amount of debt             $ 100,000,000  
MetLife Lines of Credit | Line of Credit                
Debt Instrument [Line Items]                
Face amount of debt $ 75,000,000     $ 75,000,000     $ 75,000,000  
2020 MetLife Term Note | Notes and Bonds Payables                
Debt Instrument [Line Items]                
Face amount of debt $ 75,000,000     $ 75,000,000       $ 75,000,000
Interest rate, stated percentage 2.75%     2.75%        
Farmer Mac Facility                
Debt Instrument [Line Items]                
Face amount of debt $ 225,000,000.0     $ 225,000,000.0        
Debt instrument, term       10 years        
Secured debt 33,000,000.0     $ 33,000,000.0        
Mortgage Notes and Bonds Payable | Notes and Bonds Payables                
Debt Instrument [Line Items]                
Secured debt 533,100,000     533,100,000        
Fair value amount 500,000,000.0     500,000,000.0        
Short Term Mortgage Notes And Bonds Payable | Notes and Bonds Payables                
Debt Instrument [Line Items]                
Borrowings under lines of credit $ 200,000     $ 200,000