Increase in the percentage of allocation for loans rated classified.

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- Definition

Increase in the percentage of allocation for loans rated special mention.

+ References

No definition available.

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- Definition

Represents the threshold period for considering loans as special mention or classified.

+ References

No definition available.

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- Definition

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

+ 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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- Definition

Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524

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- Definition

Amount of interest income on financing receivable on nonaccrual status.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919258-210447

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Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Financing Receivable, Nonaccrual, Interest Income	$ 0	$ 0	$ 0
Threshold Period for Considering Loans as Special Mention or Classified	75 days
Financing Receivable, Modifications, Number of Contracts	1	13	10
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts		0	0
Commercial Non Real Estate Segment [Member]
Financing Receivable, Modifications, Number of Contracts			4
Commercial Non Real Estate Segment [Member] \| Automobile Loan [Member]
Financing Receivable, Modifications, Number of Contracts			4
Commercial Non Real Estate Segment [Member] \| Contractual Interest Rate Reduction [Member]
Financing Receivable, Modifications, Number of Contracts			3
Commercial Non Real Estate Segment [Member] \| Interest Method Changed from Variable to Fixed [Member]
Financing Receivable, Modifications, Number of Contracts			1
Commercial Non Real Estate Segment [Member] \| Principal Forgiveness [Member] \| Automobile Loan [Member]
Financing Receivable, Modifications, Number of Contracts			1
Consumer Real Estate Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	7
Financing Receivable, Troubled Debt Restructuring	$ 263
Special Mention [Member]
Increase in Percentage of Allocation Loans Rated Special Mention	50.00%
Classified Excluding Impaired [Member]
Increase in Percentage of Allocation Loans Rated Classified	100.00%