Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Additional Information (Details)

v3.23.3
Borrowings - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Feb. 03, 2022
Feb. 02, 2022
Debt Instrument [Line Items]                
Net cost basis $ 1,348,510,000     $ 1,348,510,000        
Other income 382,000   $ 237,000 3,365,000 $ 3,067,000      
Borrowings under lines of credit 100,000     100,000   $ 100,000    
Expected reclassification as reduction to interest expense       2,600,000        
Notes and Bonds Payables                
Debt Instrument [Line Items]                
Repayments of maturing loans       28,500,000        
Borrowings                
Debt Instrument [Line Items]                
Net cost basis $ 1,100,000,000     $ 1,100,000,000        
Weighted average interest rate 3.81%   3.82% 3.79% 3.76%      
Farm Credit Notes Payable                
Debt Instrument [Line Items]                
Reduction in interest rate           24.10%    
Reduction in basis points           1.09%    
Other income   $ 2,300,000 $ 113,000          
Farm Credit Notes Payable | Notes and Bonds Payables | Weighted average                
Debt Instrument [Line Items]                
Interest rate, stated percentage 3.32%     3.32%        
Interest rate, effective percentage 3.21%     3.21%        
MetLife Term Loan 2020 | 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%        
MetLife Facility | Notes and Bonds Payables                
Debt Instrument [Line Items]                
Face amount of debt             $ 100,000,000  
MetLife Facility | Line of Credit                
Debt Instrument [Line Items]                
Face amount of debt $ 75,000,000     $ 75,000,000     $ 75,000,000  
Farmer Mac Facility                
Debt Instrument [Line Items]                
Face amount of debt 225,000,000     $ 225,000,000        
Debt instrument, term       10 years        
Secured debt 52,700,000     $ 52,700,000        
Mortgage Notes and Bonds Payable | Notes and Bonds Payables                
Debt Instrument [Line Items]                
Secured debt 587,200,000     587,200,000        
Fair value amount 527,100,000     527,100,000        
Short Term Mortgage Notes And Bonds Payable | Notes and Bonds Payables                
Debt Instrument [Line Items]                
Borrowings under lines of credit $ 100,000     $ 100,000