Note 5 - Allowances for Loan Losses - Troubled Debt Restructurings (Details) $ in Thousands	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Number of Loans	5	5
Troubled debt restructurings, accrual status	$ 6,316	$ 7,869
Troubled debt restructurings, non-accrual status	1,466	349
Troubled debt restructurings	$ 7,782	$ 8,218
Commercial Real Estate Portfolio Segment [Member]
Number of Loans	1	1
Troubled debt restructurings, accrual status	$ 6,316	$ 6,452
Troubled debt restructurings, non-accrual status
Troubled debt restructurings	$ 6,316	$ 6,452
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	3
Troubled debt restructurings, accrual status		$ 1,175
Troubled debt restructurings, non-accrual status	1,224	349
Troubled debt restructurings	$ 1,224	$ 1,524
Owner Occupied Real Estate [Member]
Number of Loans	1	1
Troubled debt restructurings, accrual status		$ 242
Troubled debt restructurings, non-accrual status	242
Troubled debt restructurings	$ 242	$ 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.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: 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=82895541&loc=d3e18845-111554

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