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Note 11 - Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2017
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Three Months Ended June 30, 2017 |
|  | Unrealized Gains (Losses) on Available- for-Sale Securities |  |  | Employee Benefit Plans |  |  | Total |
(Amounts in thousands) |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (137 | ) |  | $ | (1,344 | ) |  | $ | (1,481 | )
Other comprehensive income before reclassifications |  |  | 1,028 |  |  |  | - |  |  |  | 1,028 |
Reclassified from AOCI |  |  | 411 |  |  |  | 41 |  |  |  | 452 |
Other comprehensive income, net |  |  | 1,439 |  |  |  | 41 |  |  |  | 1,480 |
Ending balance |  | $ | 1,302 |  |  | $ | (1,303 | ) |  | $ | (1 | )
|  | Three Months Ended June 30, 2016 |
|  | Unrealized Gains (Losses) on Available- for-Sale Securities |  |  | Employee Benefit Plan |  |  | Total |
(Amounts in thousands) |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (4,337 | ) |  | $ | (1,396 | ) |  | $ | (5,733 | )
Other comprehensive income before reclassifications |  |  | 2,575 |  |  |  | 44 |  |  |  | 2,619 |
Reclassified from AOCI |  |  | 56 |  |  |  | 41 |  |  |  | 97 |
Other comprehensive income, net |  |  | 2,631 |  |  |  | 85 |  |  |  | 2,716 |
Ending balance |  | $ | (1,706 | ) |  | $ | (1,311 | ) |  | $ | (3,017 | )
|  | Six Months Ended June 30, 2017 |
|  | Unrealized Gains (Losses) on Available- for-Sale Securities |  |  | Employee Benefit Plans |  |  | Total |
(Amounts in thousands) |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (544 | ) |  | $ | (1,467 | ) |  | $ | (2,011 | )
Other comprehensive income before reclassifications |  |  | 1,435 |  |  |  | 83 |  |  |  | 1,518 |
Reclassified from AOCI |  |  | 411 |  |  |  | 81 |  |  |  | 492 |
Other comprehensive income, net |  |  | 1,846 |  |  |  | 164 |  |  |  | 2,010 |
Ending balance |  | $ | 1,302 |  |  | $ | (1,303 | ) |  | $ | (1 | )
|  | Six Months Ended June 30, 2016 |
|  | Unrealized Gains (Losses) on Available- for-Sale Securities |  |  | Employee Benefit Plan |  |  | Total |
(Amounts in thousands) |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (3,885 | ) |  | $ | (1,362 | ) |  | $ | (5,247 | )
Other comprehensive income (loss) before reclassifications |  |  | 2,123 |  |  |  | (34 | ) |  |  | 2,089 |
Reclassified from AOCI |  |  | 56 |  |  |  | 85 |  |  |  | 141 |
Other comprehensive income, net |  |  | 2,179 |  |  |  | 51 |  |  |  | 2,230 |
Ending balance |  | $ | (1,706 | ) |  | $ | (1,311 | ) |  | $ | (3,017 | )
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |  |  |  |  |
|  | June 30, |  |  | June 30, |  |  | Income Statement |
(Amounts in thousands) |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | Line Item Affected |
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss recognized |  | $ | 657 |  |  | $ | 79 |  |  | $ | 657 |  |  | $ | 78 |  |  | Net gain (loss) on sale of securities |
Credit-related OTTI recognized |  |  | - |  |  |  | 11 |  |  |  | - |  |  |  | 11 |  |  | Net impairment losses recognized in earnings |
Reclassified out of AOCI, before tax |  |  | 657 |  |  |  | 90 |  |  |  | 657 |  |  |  | 89 |  |  | Income before income taxes |
Income tax expense |  |  | 246 |  |  |  | 34 |  |  |  | 246 |  |  |  | 33 |  |  | Income tax expense |
Reclassified out of AOCI, net of tax |  |  | 411 |  |  |  | 56 |  |  |  | 411 |  |  |  | 56 |  |  | Net income |
Employee benefit plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of prior service cost |  |  | 57 |  |  |  | 56 |  |  |  | 114 |  |  |  | 113 |  |  | (1) |
Amortization of net actuarial benefit cost |  |  | 8 |  |  |  | 9 |  |  |  | 15 |  |  |  | 23 |  |  | (1) |
Reclassified out of AOCI, before tax |  |  | 65 |  |  |  | 65 |  |  |  | 129 |  |  |  | 136 |  |  | Income before income taxes |
Income tax expense |  |  | 24 |  |  |  | 24 |  |  |  | 48 |  |  |  | 51 |  |  | Income tax expense |
Reclassified out of AOCI, net of tax |  |  | 41 |  |  |  | 41 |  |  |  | 81 |  |  |  | 85 |  |  | Net income |
Total reclassified out of AOCI, net of tax |  | $ | 452 |  |  | $ | 97 |  |  | $ | 492 |  |  | $ | 141 |  |  | Net income |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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