CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Cumulative effect from adoption of new accounting standard	Adjusted Balance	Membership Fees and Educational Fund	Membership Fees and Educational Fund Adjusted Balance	Patronage Capital Allocated	Patronage Capital Allocated Adjusted Balance	Members’ Capital Reserve	Members’ Capital Reserve Adjusted Balance	Unallocated Net Income (Loss)	Unallocated Net Income (Loss) Cumulative effect from adoption of new accounting standard	Unallocated Net Income (Loss) Adjusted Balance	CFC Retained Equity	CFC Retained Equity Cumulative effect from adoption of new accounting standard	CFC Retained Equity Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Cumulative effect from adoption of new accounting standard	Accumulated Other Comprehensive Income (Loss) Adjusted Balance	Total CFC Equity	Total CFC Equity Cumulative effect from adoption of new accounting standard	Total CFC Equity Adjusted Balance	Non-controlling Interests	Non-controlling Interests Cumulative effect from adoption of new accounting standard	Non-controlling Interests Adjusted Balance
Beginning balance at May. 31, 2020	$ 648,822	$ (3,900)	$ 644,922	$ 3,193	$ 3,193	$ 894,066	$ 894,066	$ 807,320	$ 807,320	$ (1,076,548)	$ (3,900)	$ (1,080,448)	$ 628,031	$ (3,900)	$ 624,131	$ (1,910)	$ 0	$ (1,910)	$ 626,121	$ (3,900)	$ 622,221	$ 22,701	$ 0	$ 22,701
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	813,978			900		89,761		102,429		618,577			811,667						811,667			2,311
Other comprehensive income	1,885															1,885			1,885
Patronage capital retirement	(61,911)					(59,857)							(59,857)						(59,857)			(2,054)
Other	1,005			(968)		0		0					(968)						(968)			1,973
Ending balance at May. 31, 2021	1,399,879			3,125		923,970		909,749		(461,871)			1,374,973			(25)			1,374,948			24,931
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	798,537			1,200		88,583		152,537		553,525			795,845						795,845			2,692
Other comprehensive income	2,283															2,283			2,283
Patronage capital retirement	(59,979)					(57,565)							(57,565)						(57,565)			(2,414)
Other	1,249			(938)		0		0					(938)						(938)			2,187
Ending balance at May. 31, 2022	2,141,969			3,387		954,988		1,062,286		91,654			2,112,315			2,258			2,114,573			27,396
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	501,587			1,100		110,273		139,856		250,261			501,490						501,490			97
Other comprehensive income	6,085															6,085			6,085
Patronage capital retirement	(61,840)					(59,136)							(59,136)						(59,136)			(2,704)
Other	1,448			(953)		(10)		10					(953)						(953)			2,401
Ending balance at May. 31, 2023	$ 2,589,249			$ 3,534		$ 1,006,115		$ 1,202,152		$ 341,915			$ 2,553,716			$ 8,343			$ 2,562,059			$ 27,190