Note 4 - Loans, Allowance for Loan Losses/Credit Losses and Other Real Estate Owned - Troubled Debt Restructurings (Details) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Number of Contracts	7	9
Pre-Modification Carrying Value	$ 8,608	$ 8,886
Financing Receivable, Troubled Debt Restructuring	6,324	6,713
Period-End Individual Impairment Allowance	$ 0	$ 11
Commercial Real Estate Portfolio Segment [Member]
Number of Contracts	6	6
Pre-Modification Carrying Value	$ 8,367	$ 8,367
Financing Receivable, Troubled Debt Restructuring	6,139	6,492
Period-End Individual Impairment Allowance	$ 0	$ 0
Commercial Portfolio Segment [Member]
Number of Contracts		2
Pre-Modification Carrying Value		$ 278
Financing Receivable, Troubled Debt Restructuring		32
Period-End Individual Impairment Allowance		$ 11
Residential Portfolio Segment [Member]
Number of Contracts	1	1
Pre-Modification Carrying Value	$ 241	$ 241
Financing Receivable, Troubled Debt Restructuring	185	189
Period-End Individual Impairment Allowance	$ 0	$ 0

Number of financing receivables that have been modified by troubled debt restructurings.

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Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

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- 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 http://asc.fasb.org/extlink&oid=121611835&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 http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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