LOANS - Schedule of Financing Receivables Credit Quality Indicators (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Total
Total	$ 13,192,117		$ 13,192,117		$ 11,183,408
Agricultural Finance - Farm & Ranch loans
Year One
Total	1,309,629		1,309,629		1,134,818
Charge-offs	0	$ 0	0	$ 0
Year Two
Total	1,093,129		1,093,129		588,639
Charge-offs	0	0	0	0
Year Three
Total	532,055		532,055		1,165,169
Charge-offs	0	0	0	0
Year Four
Total	1,044,758		1,044,758		1,626,242
Charge-offs	0	0	0	101
Year Five
Total	1,529,327		1,529,327		1,087,730
Charge-offs	721	0	721	0
Prior
Total	2,175,303		2,175,303		1,403,027
Charge-offs	522	0	1,687	0
Revolving Loans - Amortized Cost Basis
Total	436,232		436,232		447,390
Charge-offs	0	0	1,675	0
Total
Total	8,120,433		8,120,433		7,453,015
Charge-offs	1,243	0	4,083	101
Agricultural Finance - Corporate AgFinance loans
Year One
Total	235,810		235,810		210,807
Charge-offs	0	0	0	0
Year Two
Total	197,051		197,051		197,237
Charge-offs	0	0	0	0
Year Three
Total	136,447		136,447		72,512
Charge-offs	0	0	0	0
Year Four
Total	58,287		58,287		250,050
Charge-offs	0	0	0	0
Year Five
Total	171,569		171,569		169,860
Charge-offs	3,180	0	3,180	0
Prior
Total	328,242		328,242		194,833
Charge-offs	0	0	0	0
Revolving Loans - Amortized Cost Basis
Total	324,992		324,992		286,375
Charge-offs	0	0	0	3,942
Total
Total	1,452,398		1,452,398		1,381,674
Charge-offs	3,180	0	3,180	3,942
Infrastructure Finance loans
Year One
Total	1,048,515		1,048,515		1,158,427
Charge-offs	0	0	0	0
Year Two
Total	1,342,238		1,342,238		534,499
Charge-offs	0	0	0	0
Year Three
Total	608,734		608,734		642,402
Charge-offs	0	0	0	0
Year Four
Total	578,412		578,412		174,232
Charge-offs	0	0	0	0
Year Five
Total	183,246		183,246		574,135
Charge-offs	0	0	0	0
Prior
Total	1,697,185		1,697,185		1,229,626
Charge-offs	0	0	0	0
Revolving Loans - Amortized Cost Basis
Total	689,950		689,950		461,162
Charge-offs	0	0	0	0
Total
Total	6,148,280		6,148,280		4,774,483
Charge-offs	0	$ 0	0	$ 0
Pass [Member] | Agricultural Finance - Farm & Ranch loans
Year One
Total	1,136,666		1,136,666		987,444
Year Two
Total	906,673		906,673		525,559
Year Three
Total	463,709		463,709		1,079,933
Year Four
Total	932,214		932,214		1,577,305
Year Five
Total	1,462,387		1,462,387		1,019,779
Prior
Total	1,968,424		1,968,424		1,287,334
Revolving Loans - Amortized Cost Basis
Total	387,741		387,741		404,950
Total
Total	7,257,814		7,257,814		6,882,304
Pass [Member] | Agricultural Finance - Corporate AgFinance loans
Year One
Total	235,810		235,810		210,807
Year Two
Total	185,210		185,210		152,918
Year Three
Total	129,135		129,135		64,860
Year Four
Total	58,287		58,287		235,493
Year Five
Total	146,858		146,858		80,085
Prior
Total	256,876		256,876		161,354
Revolving Loans - Amortized Cost Basis
Total	290,390		290,390		262,295
Total
Total	1,302,566		1,302,566		1,167,812
Pass [Member] | Infrastructure Finance loans
Year One
Total	1,048,515		1,048,515		1,158,427
Year Two
Total	1,342,238		1,342,238		521,143
Year Three
Total	582,192		582,192		578,882
Year Four
Total	525,640		525,640		174,232
Year Five
Total	183,246		183,246		574,135
Prior
Total	1,697,185		1,697,185		1,229,626
Revolving Loans - Amortized Cost Basis
Total	689,950		689,950		461,162
Total
Total	6,068,966		6,068,966		4,697,607
Special mention | Agricultural Finance - Farm & Ranch loans
Year One
Total	160,944		160,944		139,297
Year Two
Total	154,433		154,433		34,290
Year Three
Total	35,925		35,925		32,886
Year Four
Total	43,054		43,054		24,204
Year Five
Total	30,912		30,912		7,533
Prior
Total	55,304		55,304		23,099
Revolving Loans - Amortized Cost Basis
Total	22,243		22,243		22,087
Total
Total	502,815		502,815		283,396
Special mention | Agricultural Finance - Corporate AgFinance loans
Year One
Total	0		0		0
Year Two
Total	11,841		11,841		37,010
Year Three
Total	0		0		0
Year Four
Total	0		0		14,557
Year Five
Total	0		0		75,440
Prior
Total	26,379		26,379		0
Revolving Loans - Amortized Cost Basis
Total	10,261		10,261		7,158
Total
Total	48,481		48,481		134,165
Special mention | Infrastructure Finance loans
Year One
Total	0		0		0
Year Two
Total	0		0		0
Year Three
Total	0		0		34,388
Year Four
Total	7,152		7,152		0
Year Five
Total	0		0		0
Prior
Total	0		0		0
Revolving Loans - Amortized Cost Basis
Total	0		0		0
Total
Total	7,152		7,152		34,388
Substandard | Agricultural Finance - Farm & Ranch loans
Year One
Total	12,019		12,019		8,077
Year Two
Total	32,023		32,023		28,790
Year Three
Total	32,421		32,421		52,350
Year Four
Total	69,490		69,490		24,733
Year Five
Total	36,028		36,028		60,418
Prior
Total	151,575		151,575		92,594
Revolving Loans - Amortized Cost Basis
Total	26,248		26,248		20,353
Total
Total	359,804		359,804		287,315
Substandard | Agricultural Finance - Corporate AgFinance loans
Year One
Total	0		0		0
Year Two
Total	0		0		7,309
Year Three
Total	7,312		7,312		7,652
Year Four
Total	0		0		0
Year Five
Total	24,711		24,711		14,335
Prior
Total	44,987		44,987		33,479
Revolving Loans - Amortized Cost Basis
Total	24,341		24,341		16,922
Total
Total	101,351		101,351		79,697
Substandard | Infrastructure Finance loans
Year One
Total	0		0		0
Year Two
Total	0		0		13,356
Year Three
Total	26,542		26,542		29,132
Year Four
Total	45,620		45,620		0
Year Five
Total	0		0		0
Prior
Total	0		0		0
Revolving Loans - Amortized Cost Basis
Total	0		0		0
Total
Total	$ 72,162		$ 72,162		$ 42,488