LOANS - Changes in the Allowance for Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 23,223
(Release of)/provision for losses	32,860	$ 11,579	$ 858
Ending balance	37,785	23,223
Total Agricultural Finance loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	10,511	6,884	6,775
(Release of)/provision for losses	24,051	8,125	109
Charge-offs	(20,883)	(4,498)	0
Recovery	2,352
Ending balance	16,031	10,511	6,884
Farm & Ranch
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	5,132	3,936	4,044
(Release of)/provision for losses	8,657	1,297	(108)
Charge-offs	(6,064)	(101)	0
Recovery	1,675
Ending balance	9,400	5,132	3,936
Farm & Ranch | Commercial Real Estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
(Release of)/provision for losses	1,600	1,200	1,000
Corporate AgFinance
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	5,379	2,948	2,731
(Release of)/provision for losses	15,394	6,828	217
Charge-offs	(14,819)	(4,397)	0
Recovery	677
Ending balance	6,631	5,379	2,948
Corporate AgFinance | Commercial Real Estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
(Release of)/provision for losses	1,000	1,000	0
Infrastructure Finance loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	12,712	9,147	8,314
(Release of)/provision for losses	9,042	3,565	833
Charge-offs	0	0	0
Recovery	0
Ending balance	21,754	12,712	9,147
Infrastructure Finance loans | Collateral Pledged
Financing Receivable, Allowance for Credit Losses [Roll Forward]
(Release of)/provision for losses	$ 5,200	$ 0	$ 0