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Note 16 - Benefit Plans (Details) - A Summary of Option Activity (USD $)
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12 Months Ended | ||
|---|---|---|---|
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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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|
| A Summary of Option Activity [Abstract] | |||
| Outstanding at beginning of year (in Shares) | 2,652,000 | 2,776,000 | 3,271,000 |
| Outstanding at beginning of year | $ 6.19 | $ 6.12 | $ 5.86 |
| Granted (in Shares) | 98,000 | 60,000 | |
| Granted | $ 6.80 | $ 13.41 | |
| Exercised (in Shares) | (859,000) | (92,000) | (536,000) |
| Exercised | $ 4.67 | $ 4.46 | $ 5.37 |
| Forfeited (in Shares) | (7,000) | (130,000) | (19,000) |
| Forfeited | $ 12.81 | $ 6.42 | $ 5.33 |
| Outstanding at end of year (in Shares) | 1,786,000 | 2,652,000 | 2,776,000 |
| Outstanding at end of year | $ 6.89 | $ 6.19 | $ 6.12 |
| Exercisable at end of year (in Shares) | 1,786,000 | 2,206,000 | 1,228,000 |
| Exercisable at end of year | $ 6.89 | $ 6.31 | $ 6.51 |
| Weighted-average fair value of options granted | $ 3.76 | $ 7.48 | |