Quarterly report [Sections 13 or 15(d)]

BORROWINGS - Narrative (Details)

v3.25.3
BORROWINGS - Narrative (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Debt Instrument [Line Items]            
Net cost basis $ 1,169,264,000     $ 1,169,264,000    
Other income 79,000   $ 370,000 2,298,000 $ 3,295,000  
Borrowings under lines of credit 200,000     200,000   $ 3,600,000
Expected reclassification as reduction to interest expense       1,400,000    
Borrowings            
Debt Instrument [Line Items]            
Net cost basis $ 971,800,000     $ 971,800,000    
Weighted average interest rate 3.81%   3.83% 3.80% 3.82%  
Farm Credit Notes Payable            
Debt Instrument [Line Items]            
Reduction in interest rate           21.90%
Reduction in basis points           1.01%
Other income   $ 1,700,000 $ 108,000      
MetLife Lines of Credit | Line of Credit            
Debt Instrument [Line Items]            
Face amount of debt $ 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    
2022 MetLife Term Note | Notes and Bonds Payables            
Debt Instrument [Line Items]            
Face amount of debt 100,000,000     100,000,000    
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 22,300,000     $ 22,300,000    
Mortgage Notes and Bonds Payable | Notes and Bonds Payables            
Debt Instrument [Line Items]            
Secured debt 482,200,000     482,200,000    
Fair value amount 458,500,000     458,500,000    
Short Term Mortgage Notes And Bonds Payable | Notes and Bonds Payables            
Debt Instrument [Line Items]            
Borrowings under lines of credit $ 200,000     $ 200,000