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Stockholders’ Equity and Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
Schedule of earnings per share calculations | The following table presents the basic and diluted EPS calculations for the years ended December 31, 2021, 2020 and 2019. For more information on the calculation of EPS, see Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Earnings Per Share to the Consolidated Financial Statements in this Form 10-K.
($ and shares in thousands, except per share data) |  | Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Basic: |  |  |  |  |  |
Net income available to common stockholders |  | $ | 872,981 |  |  | $ | 567,797 |  |  | $ | 674,035 |
Basic weighted-average number of shares outstanding |  | 141,826 |  |  | 142,336 |  |  | 145,497 |
Basic EPS |  | $ | 6.16 |  |  | $ | 3.99 |  |  | $ | 4.63 |
Diluted: |  |  |  |  |  |
Net income available to common stockholders |  | $ | 872,981 |  |  | $ | 567,797 |  |  | $ | 674,035 |
Basic weighted-average number of shares outstanding |  | 141,826 |  |  | 142,336 |  |  | 145,497 |
Diluted potential common shares (1) |  | 1,314 |  |  | 655 |  |  | 682 |
Diluted weighted-average number of shares outstanding (1) |  | 143,140 |  |  | 142,991 |  |  | 146,179 |
Diluted EPS |  | $ | 6.10 |  |  | $ | 3.97 |  |  | $ | 4.61 |
(1)Includes dilutive shares from RSUs for the years ended December 31, 2021, 2020 and 2019.

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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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