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Note 14 - Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2019
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Net Unrealized Gains (Losses) on Securities |  |  | Adjustments Related to Pension Benefits |  |  | Accumulated Other Comprehensive Income (Loss) |
Balance at December 31, 2017 |  | $ | (1,057 | ) |  | $ | 99 |  |  | $ | (958 | )
Unrealized holding losses (net of tax, ($443)) |  |  | (1,667 | ) |  |  | — |  |  |  | (1,667 | )
Pension liability adjustment (net of tax, ($27)) |  |  | — |  |  |  | (99 | ) |  |  | (99 | )
Change during period |  |  | (1,667 | ) |  |  | (99 | ) |  |  | (1,766 | )
Balance at September 30, 2018 |  | $ | (2,724 | ) |  | $ | — |  |  | $ | (2,724 | )
Balance at December 31, 2018 |  | $ | (1,808 | ) |  | $ | — |  |  | $ | (1,808 | )
Unrealized holding gains (net of tax, $875) |  |  | 3,292 |  |  |  | — |  |  |  | 3,292 |
Unrealized holding losses transferred from held to maturity to available for sale (net of tax, ($91)) |  |  | (340 | ) |  |  | — |  |  |  | (340 | )
Change during period |  |  | 2,952 |  |  |  | — |  |  |  | 2,952 |
Balance at September 30, 2019 |  | $ | 1,144 |  |  | $ | — |  |  | $ | 1,144 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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