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Equity (Tables) | 9 Months Ended
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Sep. 30, 2021
Equity [Abstract] |
Schedule of Weighted Average Number of Shares | The following table sets forth, for the indicated periods, weighted averages of the number of common shares outstanding, basic and dilutive, the effect of dilutive options and the number of options which are not dilutive because the average price of the Company's common stock was less than the exercise prices. The treasury stock method was used to measure the effect of the dilution.
| Three months ended September 30, |  | Nine months ended September 30,
(In thousands) | 2021 |  | 2020 |  | 2021 |  | 2020
Weighted average common stock outstanding-Basic | 23,692 |  |  | 23,353 |  |  | 23,619 |  |  | 23,329 |
Effect of dilutive options | 4 |  |  | — |  |  | 2 |  |  | 1 |
Weighted average common stock outstanding-Diluted | 23,696 |  |  | 23,353 |  |  | 23,621 |  |  | 23,330 |
Non-dilutive options | 1,350 |  |  | 1,516 |  |  | 1,474 |  |  | 1,418 |
Years non-dilutive options were issued | 2014 through 2020 |  | 2011 through 2020 |  | 2011 and 2014 through 2020 |  | 2014 through 2020

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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=124432515&loc=d3e3550-109257 + Details
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