LOANS - Schedule of Financing Receivables Credit Quality Indicators (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Total
Total	$ 11,636,815		$ 11,183,408
Agricultural Finance - Farm & Ranch loans
Year One
Total	339,383		1,134,818
Current period charge-offs	0	$ 0
Year Two
Total	1,140,170		588,639
Current period charge-offs	0	0
Year Three
Total	570,180		1,165,169
Current period charge-offs	0	0
Year Four
Total	1,081,287		1,626,242
Current period charge-offs	0	0
Year Five
Total	1,587,729		1,087,730
Current period charge-offs	0	0
Prior
Total	2,370,774		1,403,027
Current period charge-offs	0	0
Revolving Loans - Amortized Cost Basis
Total	417,224		447,390
Current period charge-offs	0	0
Total
Total	7,506,747		7,453,015
Current period charge-offs	0	0
Agricultural Finance - Corporate AgFinance loans
Year One
Total	49,143		210,807
Current period charge-offs	0	0
Year Two
Total	208,911		197,237
Current period charge-offs	0	0
Year Three
Total	182,090		72,512
Current period charge-offs	0	0
Year Four
Total	71,847		250,050
Current period charge-offs	0	0
Year Five
Total	235,891		169,860
Current period charge-offs	0	0
Prior
Total	335,480		194,833
Current period charge-offs	0	0
Revolving Loans - Amortized Cost Basis
Total	287,840		286,375
Current period charge-offs	0	0
Total
Total	1,371,202		1,381,674
Current period charge-offs	0	0
Infrastructure Finance loans
Year One
Total	295,563		1,158,427
Current period charge-offs	0	0
Year Two
Total	1,172,130		534,499
Current period charge-offs	0	0
Year Three
Total	533,148		642,402
Current period charge-offs	0	0
Year Four
Total	640,751		174,232
Current period charge-offs	0	0
Year Five
Total	175,924		574,135
Current period charge-offs	0	0
Prior
Total	1,761,509		1,229,626
Current period charge-offs	0	0
Revolving Loans - Amortized Cost Basis
Total	529,965		461,162
Current period charge-offs	0	0
Total
Total	5,108,990		4,774,483
Current period charge-offs	0	$ 0
Acceptable | Agricultural Finance - Farm & Ranch loans
Year One
Total	311,988		987,444
Year Two
Total	962,820		525,559
Year Three
Total	499,416		1,079,933
Year Four
Total	983,198		1,577,305
Year Five
Total	1,541,249		1,019,779
Prior
Total	2,179,587		1,287,334
Revolving Loans - Amortized Cost Basis
Total	377,473		404,950
Total
Total	6,855,731		6,882,304
Acceptable | Agricultural Finance - Corporate AgFinance loans
Year One
Total	49,143		210,807
Year Two
Total	208,911		152,918
Year Three
Total	137,905		64,860
Year Four
Total	64,537		235,493
Year Five
Total	207,574		80,085
Prior
Total	213,314		161,354
Revolving Loans - Amortized Cost Basis
Total	261,089		262,295
Total
Total	1,142,473		1,167,812
Acceptable | Infrastructure Finance loans
Year One
Total	295,563		1,158,427
Year Two
Total	1,172,130		521,143
Year Three
Total	520,026		578,882
Year Four
Total	601,968		174,232
Year Five
Total	175,924		574,135
Prior
Total	1,761,509		1,229,626
Revolving Loans - Amortized Cost Basis
Total	529,965		461,162
Total
Total	5,057,085		4,697,607
Special mention | Agricultural Finance - Farm & Ranch loans
Year One
Total	25,067		139,297
Year Two
Total	159,529		34,290
Year Three
Total	34,085		32,886
Year Four
Total	37,548		24,204
Year Five
Total	18,739		7,533
Prior
Total	40,774		23,099
Revolving Loans - Amortized Cost Basis
Total	19,369		22,087
Total
Total	335,111		283,396
Special mention | Agricultural Finance - Corporate AgFinance loans
Year One
Total	0		0
Year Two
Total	0		37,010
Year Three
Total	36,874		0
Year Four
Total	0		14,557
Year Five
Total	0		75,440
Prior
Total	74,549		0
Revolving Loans - Amortized Cost Basis
Total	5,061		7,158
Total
Total	116,484		134,165
Special mention | Infrastructure Finance loans
Year One
Total	0		0
Year Two
Total	0		0
Year Three
Total	0		34,388
Year Four
Total	9,724		0
Year Five
Total	0		0
Prior
Total	0		0
Revolving Loans - Amortized Cost Basis
Total	0		0
Total
Total	9,724		34,388
Substandard | Agricultural Finance - Farm & Ranch loans
Year One
Total	2,328		8,077
Year Two
Total	17,821		28,790
Year Three
Total	36,679		52,350
Year Four
Total	60,541		24,733
Year Five
Total	27,741		60,418
Prior
Total	150,413		92,594
Revolving Loans - Amortized Cost Basis
Total	20,382		20,353
Total
Total	315,905		287,315
Substandard | Agricultural Finance - Corporate AgFinance loans
Year One
Total	0		0
Year Two
Total	0		7,309
Year Three
Total	7,311		7,652
Year Four
Total	7,310		0
Year Five
Total	28,317		14,335
Prior
Total	47,617		33,479
Revolving Loans - Amortized Cost Basis
Total	21,690		16,922
Total
Total	112,245		79,697
Substandard | Infrastructure Finance loans
Year One
Total	0		0
Year Two
Total	0		13,356
Year Three
Total	13,122		29,132
Year Four
Total	29,059		0
Year Five
Total	0		0
Prior
Total	0		0
Revolving Loans - Amortized Cost Basis
Total	0		0
Total
Total	$ 42,181		$ 42,488