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Note 16 - Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Unrealized Gains (Losses) on Available-for-Sale Securities |  |  | Employee Benefit Plans |  |  | Total |
(Amounts in thousands) |  |  |  |  |  |  |  |  |  |  |  |
Balance January 1, 2016 |  | $ | (3,885 | ) |  | $ | (1,362 | ) |  | $ | (5,247 | )
Other comprehensive income (loss) before reclassifications |  |  | 647 |  |  |  | (276 | ) |  |  | 371 |
Reclassified from AOCI |  |  | 2,694 |  |  |  | 171 |  |  |  | 2,865 |
Other comprehensive income (loss), net |  |  | 3,341 |  |  |  | (105 | ) |  |  | 3,236 |
Balance December 31, 2016 |  | $ | (544 | ) |  | $ | (1,467 | ) |  | $ | (2,011 | )
Balance January 1, 2017 |  | $ | (544 | ) |  | $ | (1,467 | ) |  | $ | (2,011 | )
Other comprehensive income (loss) before reclassifications |  |  | 972 |  |  |  | (132 | ) |  |  | 840 |
Reclassified from AOCI |  |  | 413 |  |  |  | 162 |  |  |  | 575 |
Other comprehensive income, net |  |  | 1,385 |  |  |  | 30 |  |  |  | 1,415 |
Reclassification of certain tax effects |  |  | 134 |  |  |  | (378 | ) |  |  | (244 | )
Balance December 31, 2017 |  | $ | 975 |  |  | $ | (1,815 | ) |  | $ | (840 | )
Balance January 1, 2018 |  | $ | 975 |  |  | $ | (1,815 | ) |  | $ | (840 | )
Other comprehensive income (loss) before reclassifications |  |  | (1,748 | ) |  |  | 446 |  |  |  | (1,302 | )
Reclassified from AOCI |  |  | 488 |  |  |  | 225 |  |  |  | 713 |
Other comprehensive income (loss), net |  |  | (1,260 | ) |  |  | 671 |  |  |  | (589 | )
Balance December 31, 2018 |  | $ | (285 | ) |  | $ | (1,144 | ) |  | $ | (1,429 | )
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
|  | Year Ended December 31, |  | Income Statement
(Amounts in thousands) |  | 2018 |  |  | 2017 |  |  | 2016 |  | Line Item Affected
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |  |  |
(Gains) losses recognized |  | $ | 618 |  |  | $ | 661 |  |  | $ | (335 | ) | Net gain (loss) on sale of securities
OTTI recognized |  |  | - |  |  |  | - |  |  |  | 4,646 |  | Net impairment losses recognized in earnings
Reclassified out of AOCI, before tax |  |  | 618 |  |  |  | 661 |  |  |  | 4,311 |  | Income before income taxes
Income tax expense |  |  | (130 | ) |  |  | (248 | ) |  |  | (1,617 | ) | Income tax expense
Reclassified out of AOCI, net of tax |  |  | 488 |  |  |  | 413 |  |  |  | 2,694 |  | Net income
Employee benefit plans |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of prior service cost |  |  | 228 |  |  |  | 228 |  |  |  | 226 |  | Other operating expense
Amortization of net actuarial loss |  |  | 57 |  |  |  | 31 |  |  |  | 47 |  | Other operating expense
Reclassified out of AOCI, before tax |  |  | 285 |  |  |  | 259 |  |  |  | 273 |  | Income before income taxes
Income tax expense |  |  | (60 | ) |  |  | (97 | ) |  |  | (102 | ) | Income tax expense
Reclassified out of AOCI, net of tax |  |  | 225 |  |  |  | 162 |  |  |  | 171 |  | Net income
Total reclassified out of AOCI, net of tax |  | $ | 713 |  |  | $ | 575 |  |  | $ | 2,865 |  | Net income

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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=114867106&loc=SL7669686-108580 + Details
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