Note 12 - Pension and Other Postretirement Benefit Plans - The Resulting Net Periodic Postretirement Expense Consisted of the Following Components for the Year (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
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Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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Interest cost | $ 902 | $ 889 | |
Postretirement Plans [Member] | |||
Service cost | 359 | 382 | $ 358 |
Interest cost | 320 | 300 | 253 |
Amortization of unrecognized loss | 47 | 119 | 0 |
Amortization of past service credit | (85) | (85) | (85) |
Net pension expense | 641 | 716 | 526 |
Current year actuarial (gain) loss | (613) | (715) | 1,925 |
Amortization of actuarial loss | (47) | (119) | 0 |
Amortization of prior service credit | 85 | 85 | 85 |
Total recognized in other comprehensive income | (575) | (749) | 2,010 |
Total recognized in net postretirement expense and other comprehensive income | $ 66 | $ (33) | $ 2,536 |
X | ||||||||||
- Definition Amount recognized in net periodic benefit cost and other comprehensive income. No definition available.
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X | ||||||||||
- Definition The amount of gains or losses recognized in net periodic benefit cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition Amount before tax, after reclassification adjustments, of actuarial gain (loss) that has not been recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition Amount before tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition Amount before tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition Amount before tax of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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