LOANS - Allowance for Losses (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Line Items]
Total	$ 23,223	$ 16,031
Real Estate Loan
Financing Receivable, Allowance for Credit Losses [Line Items]
Total	23,223	16,031
Agricultural Finance
Financing Receivable, Allowance for Credit Losses [Line Items]
Total	10,511	6,884	$ 6,775	$ 3,442
Agricultural Finance | Real Estate Loan
Financing Receivable, Allowance for Credit Losses [Line Items]
Total	10,511	6,884
Farm & Ranch
Financing Receivable, Allowance for Credit Losses [Line Items]
Total	5,132	3,936	4,044	2,882
Farm & Ranch | Real Estate Loan
Financing Receivable, Allowance for Credit Losses [Line Items]
Total	5,132	3,936
Corporate AgFinance
Financing Receivable, Allowance for Credit Losses [Line Items]
Total	5,379	2,948	2,731	560
Corporate AgFinance | Real Estate Loan
Financing Receivable, Allowance for Credit Losses [Line Items]
Total	5,379	2,948
Infrastructure Finance loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Total	12,712	9,147	$ 8,314	$ 10,599
Infrastructure Finance loans | Real Estate Loan
Financing Receivable, Allowance for Credit Losses [Line Items]
Total	$ 12,712	$ 9,147