v3.26.1
BUSINESS SEGMENT REPORTING - Schedule of Segment Reporting Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information [Line Items]      
Interest income $ 415,961 $ 381,414  
Interest expense (314,565) (290,475)  
Less: reconciling adjustments 603 (949)  
Net effective spread 101,999 89,990  
Guarantee and commitment fees 6,715 5,488  
Other income/(expense) 819 1,244  
(Provision for)/release of losses (4,827) (1,583)  
Operating expenses (18,583) (16,234)  
Income tax expense (17,886) (16,569)  
Segment core earnings 68,237 62,336  
Reconciliation to net income:      
Net effects of derivatives and trading securities 71 (2,535)  
Unallocated (expenses)/income (14,759) (13,245)  
Income tax effect related to reconciling items 5,574 3,095  
Net income 59,123 49,651  
Total on- and off-balance sheet segment assets at principal balance 34,846,054 29,755,343  
Off-balance sheet assets under management (5,902,319) (5,071,733)  
Unallocated assets 7,785,511 7,120,329  
Total Assets 36,729,246 31,803,939 $ 35,370,157
Operating Segments | Farm & Ranch      
Segment Reporting Information [Line Items]      
Interest income 168,992 149,681  
Interest expense (130,391) (114,789)  
Net effective spread 37,673 33,885  
Guarantee and commitment fees 4,952 4,551  
Other income/(expense) 875 1,222  
(Provision for)/release of losses (2,859) 193  
Operating expenses (8,165) (6,595)  
Income tax expense (6,620) (6,982)  
Segment core earnings 25,856 26,274  
Reconciliation to net income:      
Total on- and off-balance sheet segment assets at principal balance   18,094,515  
Operating Segments | Corporate AgFinance      
Segment Reporting Information [Line Items]      
Interest income 25,169 25,122  
Interest expense (16,230) (16,482)  
Net effective spread 8,939 8,640  
Guarantee and commitment fees 267 197  
Other income/(expense) 0 0  
(Provision for)/release of losses (2,020) (828)  
Operating expenses (2,480) (2,133)  
Income tax expense (988) (1,235)  
Segment core earnings 3,718 4,641  
Reconciliation to net income:      
Total on- and off-balance sheet segment assets at principal balance   1,889,363  
Operating Segments | Power & Utilities      
Segment Reporting Information [Line Items]      
Interest income 73,864 64,995  
Interest expense (67,330) (59,638)  
Net effective spread 6,491 5,329  
Guarantee and commitment fees 200 221  
Other income/(expense) 0 0  
(Provision for)/release of losses 61 (77)  
Operating expenses (1,097) (1,123)  
Income tax expense (1,188) (913)  
Segment core earnings 4,467 3,437  
Reconciliation to net income:      
Total on- and off-balance sheet segment assets at principal balance   7,187,966  
Operating Segments | Broadband Infrastructure      
Segment Reporting Information [Line Items]      
Interest income 16,124 10,833  
Interest expense (10,296) (7,267)  
Net effective spread 5,828 3,566  
Guarantee and commitment fees 875 336  
Other income/(expense) (56) 0  
(Provision for)/release of losses 47 229  
Operating expenses (1,705) (1,052)  
Income tax expense (1,048) (647)  
Segment core earnings 3,941 2,432  
Reconciliation to net income:      
Total on- and off-balance sheet segment assets at principal balance   974,835  
Operating Segments | Renewable Energy      
Segment Reporting Information [Line Items]      
Interest income 31,959 20,315  
Interest expense (22,880) (15,203)  
Net effective spread 9,079 5,112  
Guarantee and commitment fees 421 183  
Other income/(expense) 0 0  
(Provision for)/release of losses (56) (1,100)  
Operating expenses (1,890) (1,708)  
Income tax expense (1,586) (522)  
Segment core earnings 5,968 1,965  
Reconciliation to net income:      
Total on- and off-balance sheet segment assets at principal balance   1,608,664  
Operating Segments | Funding      
Segment Reporting Information [Line Items]      
Interest income 19,203 32,978  
Interest expense 12,112 (1,460)  
Net effective spread 32,647 31,604  
Guarantee and commitment fees 0 0  
Other income/(expense) 0 0  
(Provision for)/release of losses 0 0  
Operating expenses (2,422) (2,800)  
Income tax expense (6,347) (6,049)  
Segment core earnings 23,878 22,755  
Reconciliation to net income:      
Total on- and off-balance sheet segment assets at principal balance 0 0  
Operating Segments | Investments      
Segment Reporting Information [Line Items]      
Interest income 80,650 77,490  
Interest expense (79,550) (75,636)  
Net effective spread 1,342 1,854  
Guarantee and commitment fees 0 0  
Other income/(expense) 0 22  
(Provision for)/release of losses 0 0  
Operating expenses (824) (823)  
Income tax expense (109) (221)  
Segment core earnings 409 832  
Reconciliation to net income:      
Total on- and off-balance sheet segment assets at principal balance 0 0  
Reconciling Adjustments | Farm & Ranch      
Segment Reporting Information [Line Items]      
Less: reconciling adjustments (928) (1,007)  
Reconciling Adjustments | Corporate AgFinance      
Segment Reporting Information [Line Items]      
Less: reconciling adjustments 0 0  
Reconciling Adjustments | Power & Utilities      
Segment Reporting Information [Line Items]      
Less: reconciling adjustments (43) (28)  
Reconciling Adjustments | Broadband Infrastructure      
Segment Reporting Information [Line Items]      
Less: reconciling adjustments 0 0  
Reconciling Adjustments | Renewable Energy      
Segment Reporting Information [Line Items]      
Less: reconciling adjustments 0 0  
Reconciling Adjustments | Funding      
Segment Reporting Information [Line Items]      
Less: reconciling adjustments 1,332 86  
Reconciling Adjustments | Investments      
Segment Reporting Information [Line Items]      
Less: reconciling adjustments $ 242 $ 0