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Earning Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The calculation of (loss) earnings per common share for the quarters and nine-m onth p eriod s ended September 30, 2015 and 2014 is as follows:
| Quarter Ended September 30, |  |  | Nine-Month Period Ended September 30,
| 2015 |  | 2014 |  |  | 2015 |  | 2014
| (In thousands, except per share data)
Net income (loss) | $ | 4,569 |  | $ | 19,532 |  |  | $ | (1,528) |  | $ | 64,588
Less: Dividends on preferred stock |  |  |  |  |  |  |  |  |  |  |  |
Non-convertible preferred stock (Series A, B, and D) |  | (1,627) |  |  | (1,627) |  |  |  | (4,884) |  |  | (4,882)
Convertible preferred stock (Series C) |  | (1,838) |  |  | (1,838) |  |  |  | (5,512) |  |  | (5,514)
Income (loss) available to common shareholders | $ | 1,104 |  | $ | 16,067 |  |  | $ | (11,924) |  | $ | 54,192
Effect of assumed conversion of the convertible ' ' preferred stock |  | 1,838 |  |  | 1,838 |  |  |  | 5,512 |  |  | 5,514
Income (loss) available to common shareholders assuming conversion | $ | 2,942 |  | $ | 17,905 |  |  | $ | (6,412) |  | $ | 59,706
Weighted average common shares and share equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Average common shares outstanding |  | 43,929 |  |  | 45,055 |  |  |  | 44,353 |  |  | 45,131
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Average potential common shares-options |  | 46 |  |  | 160 |  |  |  | 85 |  |  | 162
Average potential common shares-assuming ' ' conversion of convertible preferred stock |  | 7,171 |  |  | 7,147 |  |  |  | 7,171 |  |  | 7,147
Total weighted average common shares ' 'outstanding and equivalents |  | 51,146 |  |  | 52,362 |  |  |  | 51,609 |  |  | 52,440
Earnings (loss) per common share - basic | $ | 0.03 |  | $ | 0.36 |  |  | $ | (0.27) |  | $ | 1.20
Earnings (loss) per common share - diluted | $ | 0.03 |  | $ | 0.34 |  |  | $ | (0.27) |  | $ | 1.14

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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