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Stockholders' Equity and Earnings Per Share | 6 Months Ended
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Jun. 30, 2023
Stockholders' Equity and Earnings Per Share [Abstract] |
Stockholders' Equity and Earnings Per Share | Stockholders’ Equity and Earnings Per Share The following table presents the basic and diluted EPS calculations for the three and six months ended June 30, 2023 and 2022. 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 of the Company’s 2022 Form 10-K.
($ and shares in thousands, except per share data) |  | Three Months Ended June 30, |  | Six Months Ended June 30, |  |  |  |  |  |  |
| 2023 |  | 2022 |  | 2023 |  | 2022 |  |  |  |  |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 312,031 |  |  | $ | 258,329 |  |  | $ | 634,470 |  |  | $ | 495,981 |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average number of shares outstanding |  | 141,468 |  |  | 141,429 |  |  | 141,291 |  |  | 141,725 |  |  |  |  |  |  |  |  |  |  |  |
Basic EPS |  | $ | 2.21 |  |  | $ | 1.83 |  |  | $ | 4.49 |  |  | $ | 3.50 |  |  |  |  |  |  |  |  |  |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 312,031 |  |  | $ | 258,329 |  |  | $ | 634,470 |  |  | $ | 495,981 |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average number of shares outstanding |  | 141,468 |  |  | 141,429 |  |  | 141,291 |  |  | 141,725 |  |  |  |  |  |  |  |  |  |  |  |
Add: Dilutive impact of unvested RSUs |  | 408 |  |  | 943 |  |  | 619 |  |  | 1,113 |  |  |  |  |  |  |  |  |  |  |  |
Diluted weighted-average number of shares outstanding |  | 141,876 |  |  | 142,372 |  |  | 141,910 |  |  | 142,838 |  |  |  |  |  |  |  |  |  |  |  |
Diluted EPS |  | $ | 2.20 |  |  | $ | 1.81 |  |  | $ | 4.47 |  |  | $ | 3.47 |  |  |  |  |  |  |  |  |  |  |  |
For the three and six months ended June 30, 2023, approximately 690 thousand and 439 thousand weighted-average shares of anti-dilutive RSUs, respectively, were excluded from the diluted EPS computations. In comparison, 381 thousand and 70 thousand weighted-average shares of anti-dilutive RSUs were excluded from the diluted EPS computations for the three and six months ended June 30, 2022, respectively.

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