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Per Common Share Amounts (Tables) | 12 Months Ended
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Dec. 31, 2014
Earnings Per Share [Abstract] |
Schedule of Weighted Average Number of Shares [Table Text Block] |
|  | Year Ended December 31,
|  | 2014 |  | 2013 |  | 2012
Weighted average common shares for basic earnings per share |  |  | 198,868 |  |  | 187,271 |  |  | 169,508
Effect of dilutive securities: restricted share awards |  |  | 26 |  |  | 143 |  |  | 163
Weighted average common shares for diluted earnings per share |  |  | 198,894 |  |  | 187,414 |  |  | 169,671

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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