FARMER MAC GUARANTEED SECURITIES AND USDA SECURITIES - Schedule of Available-for-Sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
AgVantage
Weighted- Average Yield
Available-for-sale, accrued interest excluded	$ 53,600	$ 47,200
Farmer Mac Guaranteed Securities
Amortized Cost
Due within one year	586,160
Due after one year through five years	3,075,493
Due after five years through ten years	1,150,000
Due after ten years	943,645
Available-for-sale, amortized cost	5,755,298
Fair Value
Due within one year	578,550
Due after one year through five years	2,956,677
Due after five years through ten years	1,053,259
Due after ten years	810,665
Total fair value	$ 5,399,151
Weighted- Average Yield
Due within one year	3.05%
Due after one year through five years	3.82%
Due after five years through ten years	3.63%
Due after ten years	3.55%
Weighted-average yield	3.65%