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Net Income Per Share (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Reconciliation of Basic and Diluted Net Income Per Share | The following table reconciles basic and diluted net income per share for the years indicated:
| 2021 |  | 2020 |  | 2019
|  |  | Weighted-Average Shares |  |  |  |  |  | Weighted-Average Shares |  |  |  |  |  | Weighted-Average Shares |  |
Basic net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common stockholders | $ | 205,531 |  |  | 53,783,632 |  |  | $ | 3.82 |  |  | $ | 148,600 |  |  | 54,058,471 |  |  | $ | 2.75 |  |  | $ | 164,460 |  |  | 51,412,133 |  |  | $ | 3.20 |
Effect of dilutive stock options and restricted stock awards |  |  | 200,597 |  |  |  |  |  |  | 161,913 |  |  |  |  |  |  | 149,105 |  |  |
Diluted net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common stockholders | $ | 205,531 |  |  | 53,984,229 |  |  | $ | 3.81 |  |  | $ | 148,600 |  |  | 54,220,384 |  |  | $ | 2.74 |  |  | $ | 164,460 |  |  | 51,561,238 |  |  | $ | 3.19 |

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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=124432515&loc=d3e3550-109257 + Details
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