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Note 20 - Regulatory Matters (Details Textual)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Banking Regulation, Capital Conservation Buffer, Capital Conserved, Minimum	0.0250	0.0250
Capital Conservation Buffer Percentage, Maintained at Bank	6.76%	7.82%

X

- Definition

Represents the amount of capital conservation buffer, as a percentage, maintained at a bank.

+ References

No definition available.

+ Details

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X

- Definition

Minimum capital conservation buffer percentage required to avoid restriction on payout amount of eligible retained income as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

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