GUARANTEES AND COMMITMENTS - Changes in Reserve for Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 1,433
Release of losses	278	$ (517)	$ (1,327)
Ending balance	1,711	1,433
Agricultural Finance
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	819	1,068	2,097
Release of losses	652	(249)	(1,029)
Ending balance	1,471	819	1,068
Rural Infrastructure Finance
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	614	882	1,180
Release of losses	(374)	(268)	(298)
Ending balance	$ 240	$ 614	$ 882