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Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2021
Accounting Policies [Abstract] |
Summary of Computation of Basic and Diluted Earnings Per Share | The following table shows computation of basic and diluted earnings per share.
| Three Months Ended |  | Nine Months Ended
| September 30 |  | September 30
| 2021 |  | 2020 |  | 2021 |  | 2020
Basic earnings per share |  |  |  |  |  |  |
Net income | $ | 23,071 |  |  | $ | 20,312 |  |  | $ | 65,666 |  |  | $ | 46,606 |
Weighted average common shares outstanding | 43,810,729 |  |  | 43,862,435 |  |  | 43,893,194 |  |  | 44,099,862 |
Basic earnings per share | $ | 0.53 |  |  | $ | 0.46 |  |  | $ | 1.50 |  |  | $ | 1.06 |
Diluted earnings per share |  |  |  |  |  |  |
Net income | $ | 23,071 |  |  | $ | 20,312 |  |  | $ | 65,666 |  |  | $ | 46,606 |
Weighted average common shares outstanding | 43,810,729 |  |  | 43,862,435 |  |  | 43,893,194 |  |  | 44,099,862 |
Effect of dilutive securities: |  |  |  |  |  |  |
Restricted stock | 99,666 |  |  | 8,246 |  |  | 102,446 |  |  | 32,574 |
Stock options | 48,475 |  |  | 33,200 |  |  | 51,403 |  |  | 33,214 |
Weighted average common shares outstanding | 43,958,870 |  |  | 43,903,881 |  |  | 44,047,043 |  |  | 44,165,650 |
Diluted earnings per share | $ | 0.52 |  |  | $ | 0.46 |  |  | $ | 1.49 |  |  | $ | 1.06 |

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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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