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Stock Compensation Plans (Tables) | 9 Months Ended
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Sep. 30, 2022
Share-Based Payment Arrangement [Abstract] |
Summary of Stock Compensation Expense and Related Net Tax Benefit | The following table presents a summary of the total share-based compensation expense and the related net tax benefits associated with the Company’s various employee share-based compensation plans for the three and nine months ended September 30, 2022 and 2021:
($ in thousands) |  | Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Stock compensation costs |  | $ | 12,329 |  |  | $ | 8,022 |  |  | $ | 29,338 |  |  | $ | 24,047 |
Related net tax benefits for stock compensation plans |  | $ | 1 |  |  | $ | 42 |  |  | $ | 5,269 |  |  | $ | 1,699 |
Summary of Activity for Time-Based and Performance-Based Restricted Stock Units | The following table presents a summary of the activities for the Company’s time-based and performance-based RSUs that will be settled in shares for the nine months ended September 30, 2022. The number of performance-based RSUs stated below reflects the number of awards granted on the grant date.
|  |  |  |  |  | Time-Based RSUs |  | Performance-Based RSUs
|  |  |  |  |  |  |  |  | Shares |  | Weighted- Average Grant Date Fair Value |  | Shares |  | Weighted- Average Grant Date Fair Value
Outstanding, January 1, 2022 |  |  |  |  |  |  |  |  |  | 1,329,946 |  |  | $ | 52.65 |  |  | 369,731 |  |  | $ | 54.28 |
Modified from cash-settled RSUs |  |  |  |  |  |  |  |  |  | 31,523 |  |  | 77.28 |  |  | — |  |  | — |
Granted |  |  |  |  |  |  |  |  |  | 430,815 |  |  | 78.42 |  |  | 91,874 |  |  | 77.91 |
Vested |  |  |  |  |  |  |  |  |  | (371,032) |  |  | 53.12 |  |  | (125,213) |  |  | 54.64 |
Forfeited |  |  |  |  |  |  |  |  |  | (106,562) |  |  | 61.76 |  |  | — |  |  | — |
Outstanding, September 30, 2022 |  |  |  |  |  |  |  |  |  | 1,314,690 |  |  | $ | 60.81 |  |  | 336,392 |  |  | $ | 60.60 |
Summary of Time-Based RUS's That Will be Settled in Cash | The following table presents a summary of the activities for the Company’s time-based RSUs that are cash-settled for the nine months ended September 30, 2022. During the nine months ended September 30, 2022, the amount of cash paid to settle the RSUs that vested was $318 thousand.
|  |  |  | Shares
Outstanding, January 1, 2022 |  |  |  | 32,647 |
Modified to share-settled RSUs |  |  |  | (31,523) |
Granted |  |  |  | 2,668 |
Vested |  |  |  | (3,471) |
Forfeited |  |  |  | (321) |
Outstanding, September 30, 2022 |  |  |  | — |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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