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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share |
Reconciliation of number of shares used in calculation of basic and diluted earning per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended | ​
​ | ​ | June 30, | ​ | June 30, |
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020 | ​
Weighted average number of common shares outstanding |  | 80,691,996 |  | 80,421,478 | ​ | 80,649,824 |  | 80,731,889 |
Effect of non-participatory equity compensation |  | 34,442 |  | 40,000 | ​ | 34,442 |  | 40,000 |
Weighted average number of common shares outstanding, including effect of dilutive securities |  | 80,726,438 |  | 80,461,478 | ​ | 80,684,266 |  | 80,771,889 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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