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Note 16 - Guarantees, Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2018 | Dec. 31, 2017
Credit Losses Associated With Derivative Contracts | $ 0 | $ 0 |  |
Securities Committed to Purchase Amount | 0 |  |  | $ 0
Securities Committed to Sell Amount | 0 |  |  | 0
Self Insurance Reserve | 200 |  |  | $ 200
The Peoples Bank [Member] |  |  |  |
Business Combination, Contingent Consideration, Liability, Total | $ 1,400 |  |  |
Scenario, Forecast [Member] |  |  |  |
Leasehold Improvements, Gross |  |  | $ 2,800 |

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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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