LOANS - Schedule of Financing Receivables Credit Quality Indicators (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Total
Total	$ 10,041,653		$ 10,041,653		$ 9,623,119
Agricultural Finance
Total
Current period charge-offs	4,043	$ 0	4,043	$ 0
Farm & Ranch
Year One
Total	522,902		522,902		604,837
Current period charge-offs	0	0	0	0
Year Two
Total	606,871		606,871		1,207,742
Current period charge-offs	0	0	0	0
Year Three
Total	1,182,714		1,182,714		1,691,901
Current period charge-offs	0	0	0	0
Year Four
Total	1,646,281		1,646,281		1,149,903
Current period charge-offs	101	0	101	0
Year Five
Total	1,115,215		1,115,215		357,646
Current period charge-offs	0	0	0	0
Prior
Total	1,432,288		1,432,288		1,148,725
Current period charge-offs	0	0	0	0
Revolving Loans - Amortized Cost Basis
Total	393,903		393,903		404,957
Current period charge-offs	0	0	0	0
Total
Total	6,900,174		6,900,174		6,565,711
Current period charge-offs	101	0	101	0
Corporate AgFinance
Year One
Total	72,344		72,344		207,279
Current period charge-offs	0	0	0	0
Year Two
Total	203,158		203,158		112,444
Current period charge-offs	0	0	0	0
Year Three
Total	84,080		84,080		277,400
Current period charge-offs	0	0	0	0
Year Four
Total	260,615		260,615		173,980
Current period charge-offs	0	0	0	0
Year Five
Total	172,029		172,029		119,685
Current period charge-offs	0	0	0	0
Prior
Total	224,691		224,691		112,947
Current period charge-offs	0	0	0	0
Revolving Loans - Amortized Cost Basis
Total	269,250		269,250		255,988
Current period charge-offs	3,942	0	3,942	0
Total
Total	1,286,167		1,286,167		1,259,723
Current period charge-offs	3,942	0	3,942	0
Rural Infrastructure Finance
Year One
Total	441,378		441,378		618,946
Current period charge-offs	0	0	0	0
Year Two
Total	547,120		547,120		720,522
Current period charge-offs	0	0	0	0
Year Three
Total	684,571		684,571		187,746
Current period charge-offs	0	0	0	0
Year Four
Total	188,592		188,592		593,841
Current period charge-offs	0	0	0	0
Year Five
Total	570,283		570,283		701,937
Current period charge-offs	0	0	0	0
Prior
Total	1,272,743		1,272,743		611,548
Current period charge-offs	0	0	0	0
Revolving Loans - Amortized Cost Basis
Total	274,551		274,551		100,223
Current period charge-offs	0	0	0	0
Total
Total	3,979,238		3,979,238		3,534,763
Current period charge-offs	0	$ 0	0	$ 0
Acceptable | Farm & Ranch
Year One
Total	492,566		492,566		530,956
Year Two
Total	487,709		487,709		1,137,226
Year Three
Total	1,117,947		1,117,947		1,653,780
Year Four
Total	1,597,313		1,597,313		1,120,917
Year Five
Total	1,066,209		1,066,209		323,922
Prior
Total	1,323,782		1,323,782		1,068,862
Revolving Loans - Amortized Cost Basis
Total	369,423		369,423		385,766
Total
Total	6,454,949		6,454,949		6,221,429
Acceptable | Corporate AgFinance
Year One
Total	72,344		72,344		207,279
Year Two
Total	158,535		158,535		97,922
Year Three
Total	76,550		76,550		261,992
Year Four
Total	245,625		245,625		123,158
Year Five
Total	95,662		95,662		99,352
Prior
Total	211,201		211,201		112,947
Revolving Loans - Amortized Cost Basis
Total	237,897		237,897		254,325
Total
Total	1,097,814		1,097,814		1,156,975
Acceptable | Rural Infrastructure Finance
Year One
Total	441,378		441,378		618,946
Year Two
Total	547,120		547,120		681,272
Year Three
Total	649,907		649,907		187,746
Year Four
Total	188,592		188,592		593,841
Year Five
Total	570,283		570,283		701,937
Prior
Total	1,272,743		1,272,743		611,548
Revolving Loans - Amortized Cost Basis
Total	274,551		274,551		100,223
Total
Total	3,944,574		3,944,574		3,495,513
Special mention | Farm & Ranch
Year One
Total	30,336		30,336		70,524
Year Two
Total	97,476		97,476		46,529
Year Three
Total	32,482		32,482		27,957
Year Four
Total	28,695		28,695		11,591
Year Five
Total	14,252		14,252		4,782
Prior
Total	31,330		31,330		21,257
Revolving Loans - Amortized Cost Basis
Total	6,010		6,010		8,777
Total
Total	240,581		240,581		191,417
Special mention | Corporate AgFinance
Year One
Total	0		0		0
Year Two
Total	44,623		44,623		14,522
Year Three
Total	0		0		15,408
Year Four
Total	14,990		14,990		50,822
Year Five
Total	76,367		76,367		20,333
Prior
Total	13,490		13,490		0
Revolving Loans - Amortized Cost Basis
Total	23,848		23,848		1,663
Total
Total	173,318		173,318		102,748
Special mention | Rural Infrastructure Finance
Year One
Total	0		0		0
Year Two
Total	0		0		9,850
Year Three
Total	34,664		34,664		0
Year Four
Total	0		0		0
Year Five
Total	0		0		0
Prior
Total	0		0		0
Revolving Loans - Amortized Cost Basis
Total	0		0		0
Total
Total	34,664		34,664		9,850
Substandard | Farm & Ranch
Year One
Total	0		0		3,357
Year Two
Total	21,686		21,686		23,987
Year Three
Total	32,285		32,285		10,164
Year Four
Total	20,273		20,273		17,395
Year Five
Total	34,754		34,754		28,942
Prior
Total	77,176		77,176		58,606
Revolving Loans - Amortized Cost Basis
Total	18,470		18,470		10,414
Total
Total	204,644		204,644		152,865
Substandard | Corporate AgFinance
Year One
Total	0		0		0
Year Two
Total	0		0		0
Year Three
Total	7,530		7,530		0
Year Four
Total	0		0		0
Year Five
Total	0		0		0
Prior
Total	0		0		0
Revolving Loans - Amortized Cost Basis
Total	7,505		7,505		0
Total
Total	15,035		15,035		0
Substandard | Rural Infrastructure Finance
Year One
Total	0		0		0
Year Two
Total	0		0		29,400
Year Three
Total	0		0		0
Year Four
Total	0		0		0
Year Five
Total	0		0		0
Prior
Total	0		0		0
Revolving Loans - Amortized Cost Basis
Total	0		0		0
Total
Total	$ 0		$ 0		$ 29,400