Note 13 - Net Income Per Common Share (Details) - Net Income Per Common Share Calculation (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||||
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Dec. 31, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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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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Net Income Per Common Share Calculation [Abstract] | |||||||||||||||||||||||||||||||
Net income available to common shareholders (in Dollars) | $ 14,547 | $ 13,937 | $ 12,802 | $ 12,358 | $ 11,862 | $ 11,615 | $ 11,533 | $ 11,431 | $ 10,057 | $ 9,533 | $ 7,641 | $ 7,492 | $ 53,644 | $ 46,441 | $ 34,723 | ||||||||||||||||
Average common shares outstanding | 26,684 | 25,726 | 23,136 | ||||||||||||||||||||||||||||
Basic net income per common share (in Dollars per share) | $ 0.51 | [1] | $ 0.54 | [1] | $ 0.49 | [1] | $ 0.48 | [1] | $ 0.46 | [1],[2] | $ 0.45 | [1],[2] | $ 0.45 | [1],[2] | $ 0.45 | [1],[2] | $ 0.40 | [1],[2] | $ 0.41 | [1],[2] | $ 0.34 | [1],[2] | $ 0.34 | [1],[2] | $ 2.01 | $ 1.81 | $ 1.50 | ||||
Adjustment for common share equivalents | 867 | 633 | 608 | ||||||||||||||||||||||||||||
Average common shares outstanding-diluted | 27,551 | 26,359 | 23,744 | ||||||||||||||||||||||||||||
Diluted net income per common share (in Dollars per share) | $ 0.49 | [1] | $ 0.52 | [1] | $ 0.48 | [1] | $ 0.47 | [1] | $ 0.45 | [1],[2] | $ 0.44 | [1],[2] | $ 0.44 | [1],[2] | $ 0.44 | [1],[2] | $ 0.39 | [1],[2] | $ 0.40 | [1],[2] | $ 0.33 | [1],[2] | $ 0.33 | [1],[2] | $ 1.95 | $ 1.76 | $ 1.46 | ||||
Anti-dilutive shares | 13,000 | 35,079 | 131,182 | ||||||||||||||||||||||||||||
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