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Earnings per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings per common share: |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | Earnings per common share have been computed based on the following:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| (in thousands, except for per share data)
| 2020 |  | 2019 |  | 2020 |  | 2019
Net income | $ | 24,786 |  |  | $ | 21,696 |  |  | $ | 45,648 |  |  | $ | 52,612 |
Earnings allocated to participating securities |  | (133 | ) |  |  | (117 | ) |  |  | (218 | ) |  |  | (176 | )
Income attributable to common stock | $ | 24,653 |  |  | $ | 21,579 |  |  | $ | 45,430 |  |  | $ | 52,436 |
Weighted average common shares outstanding, including participating securities |  | 39,656 |  |  |  | 35,307 |  |  |  | 39,624 |  |  |  | 35,317 |
Weighted average participating securities |  | (119 | ) |  |  | (141 | ) |  |  | (125 | ) |  |  | (65 | )
Weighted average common shares outstanding |  | 39,537 |  |  |  | 35,166 |  |  |  | 39,499 |  |  |  | 35,252 |
Incremental shares from assumed conversions of options, |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
performance units and non-participating restricted shares |  | 117 |  |  |  | 97 |  |  |  | 111 |  |  |  | 82 |
Weighted average common and equivalent shares outstanding |  | 39,654 |  |  |  | 35,263 |  |  |  | 39,610 |  |  |  | 35,334 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 0.62 |  |  | $ | 0.61 |  |  | $ | 1.15 |  |  | $ | 1.49 |
Diluted |  | 0.62 |  |  |  | 0.61 |  |  |  | 1.15 |  |  |  | 1.48 |

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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/2009/role/commonPracticeRef -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 + Details
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