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Note 13 - Stockholders' Equity (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 |  | Unrealized Gains (Losses) on Cash flow Hedges |  | Defined Benefit Pension Items |  | Fair Value Option Elected on Liabilities |  | Total
December 31, 2018 |  | (In thousands)
Beginning balance, net of tax |  | $ | (5,522 | ) |  | $ | 231 |  |  | $ | (3,695 | ) |  | $ | - |  |  | $ | (8,986 | )
Reclassification of the Income Tax Effects of the Tax Cuts and Jobs Act from AOCL to Retained Earnings |  |  | (1,325 | ) |  |  | 50 |  |  |  | (798 | ) |  |  | - |  |  |  | (2,073 | )
Impact of adoption of Accounting Standard Update 2016-01 |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 779 |  |  |  | 779 |
Other comprehensive income before reclassifications, net of tax |  |  | (10,127 | ) |  |  | 3,351 |  |  |  | 2,484 |  |  |  | 87 |  |  |  | (4,205 | )
Amounts reclassified from accumulated other comprehensive income (loss), net of tax |  |  | 1,325 |  |  |  | 72 |  |  |  | 336 |  |  |  | - |  |  |  | 1,733 |
Net current period other comprehensive income, net of tax |  |  | (8,802 | ) |  |  | 3,423 |  |  |  | 2,820 |  |  |  | 87 |  |  |  | (2,472 | )
Ending balance, net of tax |  | $ | (15,649 | ) |  | $ | 3,704 |  |  | $ | (1,673 | ) |  | $ | 866 |  |  | $ | (12,752 | )
December 31, 2017 |  | Unrealized Gains (Losses) on Available for Sale Securities |  | Unrealized Gains (Losses) on Cash flow Hedges |  | Defined Benefit Pension Items |  | Total
|  | (In thousands)
Beginning balance, net of tax |  | $ | (3,859 | ) |  | $ | - |  |  | $ | (4,503 | ) |  | $ | (8,362 | )
Other comprehensive income (loss) before reclassifications, net of tax |  |  | (1,771 | ) |  |  | 105 |  |  |  | 485 |  |  |  | (1,181 | )
Amounts reclassified from accumulated other comprehensive income (loss), net of tax |  |  | 108 |  |  |  | 126 |  |  |  | 323 |  |  |  | 557 |
Net current period other comprehensive income (loss), net of tax |  |  | (1,663 | ) |  |  | 231 |  |  |  | 808 |  |  |  | (624 | )
Ending balance, net of tax |  | $ | (5,522 | ) |  | $ | 231 |  |  | $ | (3,695 | ) |  | $ | (8,986 | )
December 31, 2016 |  | Unrealized Gains (Losses) on Available for Sale Securities |  | Defined Benefit Pension Items |  | Total
|  | (In thousands)
Beginning balance, net of tax |  | $ | (521 | ) |  | $ | (5,041 | ) |  | $ | (5,562 | )
Other comprehensive income (loss) before reclassifications, net of tax |  |  | (2,452 | ) |  |  | 235 |  |  |  | (2,217 | )
Amounts reclassified from accumulated other comprehensive income (loss), net of tax |  |  | (886 | ) |  |  | 303 |  |  |  | (583 | )
Net current period other comprehensive income (loss), net of tax |  |  | (3,338 | ) |  |  | 538 |  |  |  | (2,800 | )
Ending balance, net of tax |  | $ | (3,859 | ) |  | $ | (4,503 | ) |  | $ | (8,362 | )
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
For the year ended December 31, 2018
Details about Accumulated Other Comprehensive Income Components |  | Amounts Reclassified from Accumulated Other Comprehensive Income |  | Affected Line Item in the Statement Where Net Income is Presented
(Dollars in thousands)
Unrealized gains (losses) on available for sale securities: |  | $ | (1,920 | ) |  | Net loss on sale of securities
|  |  | 595 |  |  | Tax expense
|  | $ | (1,325 | ) |  | Net of tax
Cash flow hedges: |  |  |  |  |  |
Interest rate swaps |  | $ | (104 | ) |  | Interest expense
|  |  | 32 |  |  | Tax expense
|  | $ | (72 | ) |  | Net of tax
Amortization of defined benefit pension items: |  |  |  |  |  |
Actuarial losses |  | $ | (530 | ) (1) |  | Other operating expenses
Prior service credits |  |  | 39 | (1) |  | Other operating expenses
|  |  | (491 | ) |  | Total before tax
|  |  | 155 |  |  | Tax expense
|  | $ | (336 | ) |  | Net of tax
For the year ended December 31, 2017
Details about Accumulated Other Comprehensive Income Components |  | Amounts Reclassified from Accumulated Other Comprehensive Income |  | Affected Line Item in the Statement Where Net Income is Presented
(Dollars in thousands)
Unrealized gains (losses) on available for sale securities: |  | $ | (186 | ) |  | Net loss on sale of securities
|  |  | 78 |  |  | Tax expense
|  | $ | (108 | ) |  | Net of tax
Cash flow hedges: |  |  |  |  |  |
Interest rate swaps |  | $ | (184 | ) |  | Interest expense
|  |  | 58 |  |  | Tax expense
|  | $ | (126 | ) |  | Net of tax
Amortization of defined benefit pension items: |  |  |  |  |  |
Actuarial losses |  | $ | (605 | ) (1) |  | Other operating expenses
Prior service credits |  |  | 45 | (1) |  | Other operating expenses
|  |  | (560 | ) |  | Total before tax
|  |  | 237 |  |  | Tax expense
|  | $ | (323 | ) |  | Net of tax
For the year ended December 31, 2016
Details about Accumulated Other Comprehensive Income Components |  | Amounts Reclassified from Accumulated Other Comprehensive Income |  | Affected Line Item in the Statement Where Net Income is Presented
(Dollars in thousands)
Unrealized gains (losses) on available for sale securities: |  | $ | 1,524 |  |  | Net gain on sale of securities
|  |  | (638 | ) |  | Tax expense
|  | $ | 886 |  |  | Net of tax
Amortization of defined benefit pension items: |  |  |  |  |  |
Actuarial losses |  | $ | (568 | ) (1) |  | Other operating expenses
Prior service credits |  |  | 45 | (1) |  | Other operating expenses
|  |  | (523 | ) |  | Total before tax
|  |  | 220 |  |  | Tax benefit
|  | $ | (303 | ) |  | Net of tax

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