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Note 17 - Components of Accumulated Other Comprehensive Income (Loss) | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Comprehensive Income (Loss) Note [Text Block] | Note 1 7 : Components of Accumulated Other Comprehensive Income (Loss) The following table summarizes the activity related to each component of accumulated other comprehensive income (loss):
|  | Net Unrealized Gain (Loss) on Securities |  |  | Adjustments Related to Pension Benefits |  |  | Accumulated Other Comprehensive Income (Loss) |
Balance at December 31, 201 4 |  | $ | (1,582 | ) |  | $ | (4,090 | ) |  | $ | (5,672 | )
Unrealized holding loss on available for sale securities net of tax of ($571) |  |  | (1,064 | ) |  |  | --- |  |  |  | (1,064 | )
Reclassification adjustment, net of tax of ($1 2) |  |  | (21 | ) |  |  | --- |  |  |  | (21 | )
Net pension loss arising during the period, net of tax of ($597) |  |  | --- |  |  |  | (1,108 | ) |  |  | (1,108 | )
Less amortization of prior service cost included in net periodic pensi on cost, net of tax of ($38) |  |  | --- |  |  |  | (72 | ) |  |  | (72 | )
Balance at December 31, 201 5 |  | $ | (2,667 | ) |  | $ | (5,270 | ) |  | $ | (7,937 | )
Unrealized holding loss on available for sa le securities net of tax of ($431) |  |  | (800 | ) |  |  | --- |  |  |  | (800 | )
Reclassification adjustment, net of tax of ($65) |  |  | (121 | ) |  |  | --- |  |  |  | (121 | )
Net pension gain arising during the period, net of tax of $132 |  |  | --- |  |  |  | 271 |  |  |  | 271 |
Less amortization of prior service cost included in net periodic pension cost, net of tax of ($38) |  |  | --- |  |  |  | (72 | ) |  |  | (72 | )
Balance at December 31, 201 6 |  | $ | (3,588 | ) |  | $ | (5,071 | ) |  | $ | (8,659 | )
Unrealized holding gain on available for sale securities net of tax of $296 |  |  | 546 |  |  |  | --- |  |  |  | 546 |
Reclassification a djustment, net of tax of ($4) |  |  | (6 | ) |  |  | --- |  |  |  | (6 | )
Net pension gain arising during the period, net of tax of $115 |  |  | --- |  |  |  | 213 |  |  |  | 213 |
Less amortization of prior service cost included in net periodic pension cost, net of tax of ($38) |  |  | --- |  |  |  | (71 | ) |  |  | (71 | )
Reclassification of stranded tax effects from change in tax rate |  |  | (656 | ) |  |  | (1,062 | ) |  |  | (1,718 | )
Balance at December 31, 201 7 |  | $ | (3,704 | ) |  | $ | (5,991 | ) |  | $ | (9,695 | )
The following table provides information regarding reclassifications out of accumulated other comprehensive income (loss) for the years ended December 31, 2017, 2016 and 2015:
|  | December 31, |
|  | 201 7 |  |  | 201 6 |  |  | 201 5 |
Component of Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |
Reclassification out of unrealized gains and losses on available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |
Realized securities gain, net |  | $ | (10 | ) |  | $ | (186 | ) |  | $ | (33 | )
Income tax benefit |  |  | (4 | ) |  |  | (65 | ) |  |  | (12 | )
Realized gain on available-for-sale securities, net of tax, reclassified out of accumulated other comprehensive income (loss) |  | $ | (6 | ) |  | $ | (121 | ) |  | $ | (21 | )
Amortization of defined benefit pension items: |  |  |  |  |  |  |  |  |  |  |  |
Pr ior service costs (1) |  | $ | (109 | ) |  | $ | (110 | ) |  | $ | (110 | )
Income tax benefit |  |  | (38 | ) |  |  | (38 | ) |  |  | (38 | )
Amortization of defined benefit pension items , net of tax, reclassified out of accumulated other comprehensive income (loss) |  | $ | (71 | ) |  | $ | (72 | ) |  | $ | (72 | )
| ( 1 ) | This accumulated other comprehensive income (loss) component is included in the computation of net periodic benefit cost. (For additional information, see Note 8, "Employee Benefit Plans.")

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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