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Income Taxes (Details)	3 Months Ended
	Feb. 28, 2021	Feb. 29, 2020
Income Tax Disclosure [Abstract]
Estimated federal statutory income tax rate	15.60%	12.90%

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- Definition

Effective Income Tax Rate Reconciliation Before Discreet Items, Percent

+ References

No definition available.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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