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Note 4 - Loans Receivables and Allowance for Loan and Lease Losses - Recorded Investment in TDRs (Details) $ in Thousands	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Number of contracts	7	7
Recorded investment	$ 10,349	$ 10,394
Non-Accrual Loans [Member]
Number of contracts	3	3
TDRs included in non-accrual loans	$ (9,646)	$ (9,688)
Accrual Loans [Member]
Number of contracts	4	4
Recorded investment	$ 703	$ 706
Commercial Real Estate Portfolio Segment [Member]
Number of contracts	1	1
Recorded investment	$ 8,856	$ 8,884
Residential Portfolio Segment [Member]
Number of contracts	3	3
Recorded investment	$ 856	$ 870
Consumer Portfolio Segment [Member]
Number of contracts	3	3
Recorded investment	$ 637	$ 640

X

- Definition

Amount of financing receivable modified as troubled debt restructuring included in nonaccrual.

+ References

No definition available.

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X

- Definition

Represents the number of financing receivables that have been modified as troubled debt restructuring as of a specified point in time.

+ References

No definition available.

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X

- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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