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Income Per Common Share | 12 Months Ended
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Dec. 31, 2013
Earnings Per Share [Abstract] |
Income Per Common Share | 2. Income Per Common Share The following table sets forth the computation of basic and diluted net income per common share:
|  | 2013 |  |  | 2012 |  |  | 2011 |
|  | (Dollars In Thousands, Except Per Share Amounts) |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income: |  | $ | 54,962 |  |  | $ | 58,604 |  |  | $ | 83,842 |
Dividends on Series B Preferred |  |  | (240 | ) |  |  | (240 | ) |  |  | (240 | )
Dividends on Series D Preferred |  |  | (60 | ) |  |  | (60 | ) |  |  | (60 | )
Dividends on Noncumulative Preferred |  |  | — |  |  |  | — |  |  |  | (5 | )
Total dividends on preferred stocks |  |  | (300 | ) |  |  | (300 | ) |  |  | (305 | )
Numerator for basic net income per common share - net income applicable to common stock |  |  | 54,662 |  |  |  | 58,304 |  |  |  | 83,537 |
Dividends on preferred stocks assumed to be converted, if dilutive |  |  | 300 |  |  |  | 300 |  |  |  | 305 |
Interest expense including amortization of debt issuance costs, net of income taxes, on convertible debt assumed to be converted, if dilutive |  |  | — |  |  |  | — |  |  |  | 299 |
Numerator for diluted net income per common share |  | $ | 54,962 |  |  | $ | 58,604 |  |  | $ | 84,141 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic net income per common share - weighted-average shares |  |  | 22,465,176 |  |  |  | 22,359,967 |  |  |  | 21,962,294 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Convertible preferred stocks |  |  | 916,666 |  |  |  | 917,006 |  |  |  | 935,432 |
Stock options |  |  | 215,124 |  |  |  | 261,596 |  |  |  | 325,752 |
Convertible notes payable |  |  | — |  |  |  | — |  |  |  | 275,764 |
Dilutive potential common shares |  |  | 1,131,790 |  |  |  | 1,178,602 |  |  |  | 1,536,948 |
Denominator for dilutive net income per common share - adjusted weighted-average shares and assumed conversions |  |  | 23,596,966 |  |  |  | 23,538,569 |  |  |  | 23,499,242 |
Basic net income per common share |  | $ | 2.43 |  |  | $ | 2.61 |  |  | $ | 3.80 |
Diluted net income per common share |  | $ | 2.33 |  |  | $ | 2.49 |  |  | $ | 3.58 |
The following weighted-average shares of securities were not included in the computation of diluted net income per common share as their effect would have been antidilutive:
|  | 2013 |  |  | 2012 |  |  | 2011 |
Stock options |  |  | 246,391 |  |  |  | 254,000 |  |  |  | 35,701 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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