Note 17 - Earnings Per Share (Details) - Computation of Basic and Diluted Earnings Per Common Share - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Numerator: | |||||||||||
| Net income | $ 29,647 | $ 4,850 | $ 3,793 | $ 8,131 | $ 30,128 | $ 11,451 | $ 5,347 | $ 6,274 | $ 46,421 | $ 53,200 | $ 74,034 |
| Less: distributed earnings allocated to nonvested restricted stock | (66) | (114) | |||||||||
| Less: undistributed earnings allocated to nonvested restricted stock | (237) | (258) | |||||||||
| Numerator for basic earnings per share | 46,118 | 52,828 | 74,034 | ||||||||
| Effect of dilutive securities: | |||||||||||
| Add: undistributed earnings allocated to nonvested restricted stock | 237 | 258 | |||||||||
| Less: undistributed earnings reallocated to nonvested restricted stock | (237) | (258) | |||||||||
| Numerator for diluted earnings per share | $ 46,118 | $ 52,828 | $ 74,034 | ||||||||
| Denominator: | |||||||||||
| Weighted average shares outstanding - basic (in Shares) | 43,432,149 | 43,357,602 | 43,237,513 | ||||||||
| Effect of dilutive securities: | |||||||||||
| Stock options and other awards (in Shares) | 13,581 | 34,409 | 39,418 | ||||||||
| Weighted average shares outstanding – diluted (in Shares) | 43,445,730 | 43,392,011 | 43,276,931 | ||||||||
| Basic earnings per share (in Dollars per share) | $ 0.68 | $ 0.11 | $ 0.09 | $ 0.19 | $ 0.69 | $ 0.26 | $ 0.12 | $ 0.14 | $ 1.06 | $ 1.22 | $ 1.71 |
| Diluted earnings per share (in Dollars per share) | $ 0.68 | $ 0.11 | $ 0.09 | $ 0.19 | $ 0.69 | $ 0.26 | $ 0.12 | $ 0.14 | $ 1.06 | $ 1.22 | $ 1.71 |