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Earnings Per Share | 9 Months Ended
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Sep. 30, 2013
Earnings Per Share [Abstract] |
Earnings Per Share | Note 7. Earnings Per Share Basic earnings per share is computed by dividing net income by the weighted average number of shares of common stock outstanding during the period presented. Diluted earnings per share is computed by including the net increase in shares as if dilutive outstanding stock options were exercised, using the treasury stock method. Basic and diluted earnings per share has been computed based on the following:
| Three Months ended |  | Nine Months ended
(Dollars in thousands, except per share data) | September 30, 2013 |  | September 30, 2012 |  | September 30, 2013 |  | September 30, 2012
Net income available to common stockholders, basic and diluted | $ | 25,628 |  |  | 19,444 |  |  | 69,098 |  |  | 54,758 |
Average outstanding shares - basic | 73,945,523 |  |  | 71,933,141 |  |  | 72,804,321 |  |  | 71,925,664 |
Add: dilutive stock options and awards | 76,348 |  |  | 40,844 |  |  | 65,154 |  |  | 97 |
Average outstanding shares - diluted | 74,021,871 |  |  | 71,973,985 |  |  | 72,869,475 |  |  | 71,925,761 |
Basic earnings per share | $ | 0.35 |  |  | 0.27 |  |  | 0.95 |  |  | 0.76 |
Diluted earnings per share | $ | 0.35 |  |  | 0.27 |  |  | 0.95 |  |  | 0.76 |
There were 49,932 and 903,945 options excluded from the diluted average outstanding share calculation for the nine months ended September 30, 2013 and 2012, respectively, due to the option exercise price exceeding the market price of the Company’s common stock.

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