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Earnings per Share (EPS) (Tables) | 3 Months Ended
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Mar. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Reconciliation of Net Income and Weighted Average Common Shares Outstanding used in Computations of Basic and Diluted Earnings per Common Share | The following table reconciles the net income and the weighted average common shares outstanding used in the computations of basic and diluted earnings per common share:
|  |  |  | Three Months Ended March 31,
(In thousands, except per share amounts) |  |  |  |  |  | 2023 |  | 2022
Net income |  |  |  |  |  | $ | 170,827 |  |  | $ | 274,167 |
Basic weighted average shares outstanding |  |  |  |  |  | 106,943 |  |  | 108,166 |
Dilutive effect of nonvested shares |  |  |  |  |  | 642 |  |  | 424 |
Diluted weighted average shares outstanding |  |  |  |  |  | 107,585 |  |  | 108,590 |
Basic earnings per share |  |  |  |  |  | $ | 1.60 |  |  | $ | 2.53 |
Diluted earnings per share |  |  |  |  |  | $ | 1.59 |  |  | $ | 2.52 |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award | The following table summarizes the performance-based shares issuable if the reporting date was the end of the contingency period.
|  | 2023 Performance-Based Grants |  | 2022 Performance-Based Grants |  | 2021 Performance-Based Grants |  | 2020 Performance-Based Grants
Reporting Date |  | Percent Issuable Relative to Target |  | As a Percent of Shares Issued |  | Percent Issuable Relative to Target |  | As a Percent of Shares Issued |  | Percent Issuable Relative to Target |  | As a Percent of Shares Issued |  | Percent Issuable Relative to Target and Shares Issued
March 31, 2023 |  | 200% |  | 100% |  | 170% |  | 85% |  | 100% |  | 50% |  |
March 31, 2022 |  |  |  |  |  | 122% |  | 61% |  | 100% |  | 50% |  | 100%

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- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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