FARMER MAC GUARANTEED SECURITIES AND USDA SECURITIES - Unrealized Loss Position (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Unrealized loss position for less than 12 months
Unrealized loss position for less than 12 months, Fair Value	$ 1,143,468	$ 2,819,885
Unrealized loss position for less than 12 months, Unrealized Loss	(9,278)	(96,252)
Unrealized loss position for more than 12 months
Unrealized loss position for more than 12 months, Fair Value	2,611,155	1,254,553
Unrealized loss position for more than 12 months, Unrealized Loss	(141,743)	(98,280)
Operating Segments
Unrealized loss position for less than 12 months
Unrealized loss position for less than 12 months, Fair Value	508,182	4,649,943
Unrealized loss position for less than 12 months, Unrealized Loss	(5,716)	(270,661)
Unrealized loss position for more than 12 months
Unrealized loss position for more than 12 months, Fair Value	4,043,431	1,548,551
Unrealized loss position for more than 12 months, Unrealized Loss	(303,695)	(143,123)
USDA Securities
Unrealized loss position for less than 12 months
Fair Value	0	2,086,108
Unrealized Loss	0	(312,824)
Unrealized loss position for more than 12 months
Fair Value	2,023,801	0
Unrealized Loss	(319,783)	0
Farmer Mac Guaranteed Securities and USDA Securities
Unrealized loss position for less than 12 months
Fair Value	2,070,770	2,654,532
Unrealized Loss	(6,705)	(325,135)
Unrealized loss position for more than 12 months
Fair Value	2,757,541	382,358
Unrealized Loss	(353,335)	(42,643)
AgVantage | Farmer Mac Guaranteed Securities
Unrealized loss position for less than 12 months
Fair Value	2,070,770	548,634
Unrealized Loss	(6,705)	(11,455)
Unrealized loss position for more than 12 months
Fair Value	725,347	382,358
Unrealized Loss	(32,746)	(42,643)
Unrealized loss position for less than 12 months
Unrealized loss position for less than 12 months, Fair Value		4,642,096
Unrealized loss position for less than 12 months, Unrealized Loss		(267,886)
Unrealized loss position for more than 12 months
Unrealized loss position for more than 12 months, Fair Value		1,548,551
Unrealized loss position for more than 12 months, Unrealized Loss		(143,123)
AgVantage | Farmer Mac Guaranteed Securities | Operating Segments
Unrealized loss position for less than 12 months
Unrealized loss position for less than 12 months, Fair Value	508,182
Unrealized loss position for less than 12 months, Unrealized Loss	(5,716)
Unrealized loss position for more than 12 months
Unrealized loss position for more than 12 months, Fair Value	4,043,431
Unrealized loss position for more than 12 months, Unrealized Loss	(303,695)
USDA Securities | Farmer Mac Guaranteed Securities
Unrealized loss position for less than 12 months
Fair Value	0	19,790
Unrealized Loss	0	(856)
Unrealized loss position for more than 12 months
Fair Value	8,393	0
Unrealized Loss	(806)	0
USDA Securities | Farmer Mac Guaranteed Securities | Operating Segments
Unrealized loss position for less than 12 months
Unrealized loss position for less than 12 months, Fair Value	0	7,847
Unrealized loss position for less than 12 months, Unrealized Loss	0	(2,775)
Unrealized loss position for more than 12 months
Unrealized loss position for more than 12 months, Fair Value	0	0
Unrealized loss position for more than 12 months, Unrealized Loss	$ 0	$ 0