Financing Receivable, Allowance for Credit Loss, Additional Information1 [Abstract]

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Percentage of allowance for credit loss to total financing receivable outstanding.

+ References

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-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
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- References

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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

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The balance of financing receivables that were individually evaluated for impairment.

+ References

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- Definition

Amount, before allowance for credit loss, of financing receivable.

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-Publisher FASB
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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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Allowance for Credit Losses - Recorded Investments (Details) - USD ($) $ in Thousands	Feb. 28, 2022	Nov. 30, 2021	May 31, 2021	Feb. 28, 2021	Nov. 30, 2020	May 31, 2020
Allowance components:
Collective allowance	$ 32,872		$ 42,442
Asset-specific allowance	40,514		43,090
Total allowance for credit losses	73,386	$ 86,135	85,532	$ 92,012	$ 58,989	$ 53,125
Loans outstanding:
Collectively evaluated loans	29,291,800		28,167,639
Individually evaluated loans	216,563		247,468
Total	$ 29,508,363		$ 28,415,107	28,315,671
Financing receivable, allowance for credit loss to outstanding	0.25%		0.30%
Deferred loan origination costs	$ 12,018			11,810
Collective allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	0.11%		0.15%
Asset-specific allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	18.71%		17.41%
Parent Company
Allowance components:
Collective allowance	$ 29,917		$ 39,921
Asset-specific allowance	40,259		39,542
Total allowance for credit losses	70,176	82,923	79,463	83,844	54,409	47,438
Loans outstanding:
Collectively evaluated loans	28,108,130		27,054,165
Individually evaluated loans	212,346		233,691
Total	$ 28,320,476		$ 27,287,856
Financing receivable, allowance for credit loss to outstanding	0.25%		0.29%
Deferred loan origination costs	$ 12,000		$ 12,000
Parent Company \| Collective allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	0.11%		0.15%
Parent Company \| Asset-specific allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	18.96%		16.92%
Parent Company \| Distribution
Allowance components:
Collective allowance	$ 16,385		$ 13,426
Asset-specific allowance	0		0
Total allowance for credit losses	16,385	16,032	13,426	15,237	13,215	8,002
Loans outstanding:
Collectively evaluated loans	23,220,659		22,022,044
Individually evaluated loans	5,092		5,379
Total	$ 23,225,751		$ 22,027,423
Financing receivable, allowance for credit loss to outstanding	0.07%		0.06%
Parent Company \| Distribution \| Collective allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	0.07%		0.06%
Parent Company \| Distribution \| Asset-specific allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	0.00%		0.00%
Parent Company \| Power supply
Allowance components:
Collective allowance	$ 12,219		$ 25,104
Asset-specific allowance	40,259		39,542
Total allowance for credit losses	52,478	65,467	64,646	67,162	39,781	38,027
Loans outstanding:
Collectively evaluated loans	4,784,819		4,926,000
Individually evaluated loans	207,254		228,312
Total	$ 4,992,073		$ 5,154,312
Financing receivable, allowance for credit loss to outstanding	1.05%		1.25%
Parent Company \| Power supply \| Collective allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	0.26%		0.51%
Parent Company \| Power supply \| Asset-specific allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	19.42%		17.32%
Parent Company \| Statewide and associate
Allowance components:
Collective allowance	$ 1,313		$ 1,391
Asset-specific allowance	0		0
Total allowance for credit losses	1,313	1,424	1,391	1,445	1,413	1,409
Loans outstanding:
Collectively evaluated loans	102,652		106,121
Individually evaluated loans	0		0
Total	$ 102,652		$ 106,121
Financing receivable, allowance for credit loss to outstanding	1.28%		1.31%
Parent Company \| Statewide and associate \| Collective allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	1.28%		1.31%
Parent Company \| Statewide and associate \| Asset-specific allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	0.00%		0.00%
NCSC
Allowance components:
Collective allowance	$ 1,729		$ 1,374
Asset-specific allowance	0		0
Total allowance for credit losses	1,729	1,594	1,374	1,657	1,341	806
Loans outstanding:
Collectively evaluated loans	730,147		706,868
Individually evaluated loans	0		0
Total	$ 730,147		$ 706,868
Financing receivable, allowance for credit loss to outstanding	0.24%		0.19%
NCSC \| Collective allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	0.24%		0.19%
NCSC \| Asset-specific allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	0.00%		0.00%
RTFC
Allowance components:
Collective allowance	$ 1,226		$ 1,147
Asset-specific allowance	255		3,548
Total allowance for credit losses	1,481	$ 1,618	4,695	$ 6,511	$ 3,239	$ 4,881
Loans outstanding:
Collectively evaluated loans	453,523		406,606
Individually evaluated loans	4,217		13,777
Total	$ 457,740		$ 420,383
Financing receivable, allowance for credit loss to outstanding	0.32%		1.12%
RTFC \| Collective allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	0.27%		0.28%
RTFC \| Asset-specific allowance
Loans outstanding:
Financing receivable, allowance for credit loss to outstanding	6.05%		25.75%