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Note 16 - Benefit Plans (Details) - Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost
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12 Months Ended | |||
|---|---|---|---|---|
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Weighted average assumptions used to determine net periodic benefit cost at beginning of year | ||||
| Discount Rate | 3.47% | 4.01% | 5.08% | |
| Long-Term Rate of Return | 7.25% | 7.25% | 7.25% | 7.25% |