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Earnings per Share Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2022
Earnings Per Share [Abstract] |
Schedule of Weighted Average Number of Shares [Table Text Block] | The following table summarizes the dilutive effect of RSUs and options to purchase common stock for the six months ended June 30, 2022 and 2021:
|  | Three months ended June 30, |  | Six months ended June 30,
|  | 2022 |  | 2021 |  | 2022 |  | 2021
Weighted average common shares—basic |  | 42,297,525 |  |  | 43,110,191 |  |  | 42,548,366 |  |  | 43,147,599 |
Dilutive effect of restricted stock units |  | 183,674 |  |  | 198,165 |  |  | 247,080 |  |  | 299,425 |
Dilutive effect of stock options |  | — |  |  | — |  |  | — |  |  | 24,592 |
Weighted average common shares—diluted |  | 42,481,199 |  |  | 43,308,356 |  |  | 42,795,446 |  |  | 43,471,616 |

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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