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Note 18 - Fair Value Measurements - Assets Measured at Fair Value on a Non-recurring Basis (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Mortgage Loan Servicing Rights	$ 5,521,000	$ 3,967,000
Fair Value, Nonrecurring [Member]
Impaired Loans	5,433,000	7,851,000
Other Real Estate	194,000	266,000
Mortgage Loan Servicing Rights		3,967,000
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Impaired Loans	0	0
Other Real Estate	0	0
Mortgage Loan Servicing Rights		0
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Impaired Loans	0	0
Other Real Estate	0	0
Mortgage Loan Servicing Rights		3,967,000
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired Loans	5,433,000	7,851,000
Other Real Estate	$ 194,000	266,000
Mortgage Loan Servicing Rights		$ 0

X

- Definition

Represents amount of fair value disclosure of impaired loans.

+ References

No definition available.

+ Details

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X

- Definition

Represents fair value of other real estate.

+ References

No definition available.

+ Details

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X

- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=125521744&loc=d3e122625-111746

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745

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