Note 5 - Allowances for Loan Losses - Troubled Debt Restructurings (Details) $ in Thousands	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Number of Loans	1	5
Troubled debt restructurings, accrual status	$ 6,173	$ 6,316
Troubled debt restructurings, non-accrual status		1,466
Troubled debt restructurings	$ 6,173	$ 7,782
Commercial Real Estate Portfolio Segment [Member]
Number of Loans	1	1
Troubled debt restructurings, accrual status	$ 6,173	$ 6,316
Troubled debt restructurings, non-accrual status
Troubled debt restructurings	$ 6,173	$ 6,316
Construction and Land Development Portfolio Segment [Member]
Number of Loans
Troubled debt restructurings, accrual status
Troubled debt restructurings, non-accrual status
Troubled debt restructurings
Commercial Portfolio Segment [Member]
Number of Loans		3
Troubled debt restructurings, accrual status
Troubled debt restructurings, non-accrual status		1,224
Troubled debt restructurings		$ 1,224
Owner Occupied Real Estate [Member]
Number of Loans		1
Troubled debt restructurings, accrual status
Troubled debt restructurings, non-accrual status		242
Troubled debt restructurings		$ 242
Consumer Portfolio Segment [Member]
Number of Loans
Troubled debt restructurings, accrual status
Troubled debt restructurings, non-accrual status
Troubled debt restructurings
Residential Portfolio Segment [Member]
Number of Loans
Troubled debt restructurings, accrual status
Troubled debt restructurings, non-accrual status
Troubled debt restructurings

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

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- Definition

Recorded investment in financing receivables that have undergone troubled debt restructuring and are accruing.

+ References

No definition available.

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- Definition

Recorded investment in financing receivables that have undergone troubled debt restructuring and are not accruing.

+ 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=118936363&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=118939409&loc=d3e18845-111554

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