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Stock Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-based Payment Arrangement [Abstract] |
Schedule of Nonvested Restricted Shares | A summary of the status of the Company's non-vested RSUs as of December 31, 2022, and changes during the period then ended, is presented below:
| Shares (in thousands) |  | Weighted-Average Grant-Date Fair Value
Non-vested at January 1, 2022 | 388 |  |  | $ | 27.75 |
Granted | 130 |  |  | 43.38 |
Vested | (260) |  |  | 29.99 |
Forfeited | (6) |  |  | 33.22 |
Non-vested at December 31, 2022 | 252 |  |  | $ | 32.79 |
| Year ended December 31,
| 2022 |  | 2021 |  | 2020
Total fair value of shares vested (in thousands) | $ | 7,465 |  |  | $ | 9,453 |  |  | $ | 13,510 |
Weighted-average fair value of RSUs granted | $ | 43.38 |  |  | $ | 26.86 |  |  | $ | 18.35 |
Schedule of Nonvested PSUs | A summary of the status of the Company's EPS PSUs as of December 31, 2022, and changes during the period then ended, is presented below:
| Shares (in thousands) |  | Weighted-Average Grant-Date Fair Value
Non-vested at January 1, 2022 | 386 |  |  | $ | 23.69 |
Granted | 107 |  |  | 43.98 |
Vested | (25) |  |  | 25.73 |
Forfeited | (71) |  |  | 27.51 |
Non-vested at December 31, 2022 | 397 |  |  | $ | 28.35 |
| Year ended December 31,
| 2022 |  | 2021 |  | 2020
Weighted-average fair value of EPS PSUs granted | $ | 43.98 |  |  | $ | 26.80 |  |  | $ | 19.06 |
A summary of the status of the Company's TSR PSUs as of December 31, 2022, and changes during the period then ended, is presented below:
| Shares (in thousands) |  | Weighted-Average Grant-Date Fair Value
Non-vested at January 1, 2022 | 386 |  |  | $ | 30.89 |
Granted | 106 |  |  | 66.90 |
Vested | — |  |  | — |
Forfeited | (95) |  |  | 48.27 |
Non-vested at December 31, 2022 | 397 |  |  | $ | 36.31 |
| Year ended December 31,
| 2022 |  | 2021 |  | 2020
Weighted-average fair value of TSR PSUs granted | $ | 66.90 |  |  | $ | 35.66 |  |  | $ | 16.80 |
Schedule of Valuation Assumptions Used to Determine Fair Value |
| 2022
Risk free interest rate | 1.44%
Dividend yield | —%
Volatility factor of the expected market price of the common shares | 53%
Expected term (in years) | 2.83
Correlation coefficient | 0.45
Schedule of Fair Value of the Option Component of the ESP Plan |
| Year ended December 31,
| 2022 |  | 2021 |  | 2020
Risk free interest rate | 0.39 | % |  | 0.10 | % |  | 1.59 | %
Dividend yield | 1.82 | % |  | 2.86 | % |  | 2.71 | %
Volatility factor of the expected market price of the common shares | 38 | % |  | 72 | % |  | 36 | %
Expected life for the options (in years) | 1.0 |  | 1.0 |  | 1.0

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- Definition Schedule of share based payment award employee share purchase plan valuation assumptions. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options nonvested performance share units. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options nonvested. + References No definition available. + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options 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 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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