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Stock-Based Compensation Plans (Tables) | 9 Months Ended
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Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Stock Option Activity | A summary of stock option activity is as follows:
| Number of Shares |  | Weighted Average Exercise Price ($) |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value of In-the-Money Options ($)
Outstanding as of December 31, 2022 | 1,221,219 |  |  | $ | 19.00 |  |  |  |  |
Exercised | (164,092) |  |  | 19.09 |  |  |  |  |
Expired | (4,614) |  |  | 19.63 |  |  |  |  |
Outstanding as of September 30, 2023 | 1,052,513 |  |  | $ | 18.98 |  |  | 1.90 |  | $ | 8,419,789 |
Exercisable as of September 30, 2023 | 1,052,513 |  |  | $ | 18.98 |  |  | 1.90 |  | $ | 8,419,789 |
Total Shareholder Return Awards (TSRs) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Nonvested Total Shareholder Return Awards ("TSRs") | A summary of nonvested total shareholder return awards ("TSRs") is as follows:
| Number of Shares |  | Weighted Average Grant Date Fair Value
Nonvested as of December 31, 2022 | 1,011,881 |  |  | $ | 39.21 |
Granted | 233,404 |  |  | 26.94 |
Forfeited | (135,452) |  |  | 40.06 |
Change in payout rate | (427,685) |  |  | 30.01 |
Nonvested as of September 30, 2023 | 682,148 |  |  | $ | 40.62 |
Total Shareholder Return Awards (TSRs) | Monte Carlo Simulation Model |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Grant Date Fair Value Weighted Average Assumptions - TSRs | The fair value of TSRs granted during the nine months ended September 30, 2023 and 2022, were estimated on the date of grant using the Monte Carlo simulation model, acceptable under ASC 718, Compensation - Stock Compensation, using the following weighted average assumptions:
| Nine Months Ended September 30,
| 2023 |  | 2022
Expected life (years) | 2.9 |  | 3.1
Risk-free interest rate | 3.6 | % |  | 1.5 | %
Expected volatility | 37.1 | % |  | 40.0 | %
Expected dividend yield | — |  |  | — |
Restricted Share Units (RSUs) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Nonvested Restricted Share Unit Awards ("RSUs") | A summary of nonvested restricted share unit awards ("RSUs") is as follows:
| Number of Shares |  | Weighted Average Grant Date Fair Value
Nonvested as of December 31, 2022 | 1,184,024 |  |  | $ | 30.73 |
Granted | 1,457,471 |  |  | 24.75 |
Vested | (553,490) |  |  | 29.04 |
Forfeited | (433,528) |  |  | 28.34 |
Nonvested as of September 30, 2023 | 1,654,477 |  |  | $ | 26.66 |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of awards other than stock options, including, but not limited to: (a) expected term of share awards and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References No definition available. + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Line items represent financial concepts included in a table. 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