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Note 16 - Benefit Plans (Details) - Summary of Components of Net Periodic Benefit Cost (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2014
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Dec. 31, 2013
|
Dec. 31, 2012
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Dec. 31, 2011
|
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| Components of net periodic benefit cost: | ||||
| Service cost | $ 0 | $ 0 | $ 0 | |
| Interest cost | 991 | 1,095 | ||
| Expected return on plan assets | (1,027) | (1,303) | (1,274) | |
| Amortization of net loss | 1,561 | 1,517 | 1,189 | |
| Net periodic benefit cost | 800 | 1,524 | 1,309 | 1,191 |
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Component of Net Periodic Benefit Cost [Member]
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| Components of net periodic benefit cost: | ||||
| Interest cost | $ 990 | $ 1,095 | $ 1,276 | |