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Stock Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of Stock Option Activity | A reconciliation of the number of Options outstanding under the 2014 Long Term Incentive Compensation Plan as of December 31, 2021, and changes during the period then ended, is as follows:
| Shares (in thousands) |  | Weighted-Average Exercise Price |  |  |  |
Outstanding at January 1, 2021 | 325 |  |  | $ | 35.40 |  |  |  |  |
Exercised | (183) |  |  | 35.40 |  |  |  |  |
Outstanding at December 31, 2021 | 142 |  |  | $ | 35.40 |  |  |  |  |
Schedule of Nonvested Restricted Shares | A summary of the status of the Company's non-vested RSAs as of December 31, 2021, and changes during the period then ended, is presented below:
| Shares (in thousands) |  | Weighted-Average Grant-Date Fair Value
Non-vested at January 1, 2021 | 567 |  |  | $ | 28.50 |
Granted | 192 |  |  | 26.86 |
Vested | (332) |  |  | 28.46 |
Forfeited | (39) |  |  | 28.24 |
Non-vested at December 31, 2021 | 388 |  |  | $ | 27.75 |
| Year ended December 31,
| 2021 |  | 2020 |  | 2019
Total fair value of shares vested (in thousands) | $ | 9,453 |  |  | $ | 13,510 |  |  | $ | 8,225 |
Weighted-average fair value of RSAs granted | $ | 26.86 |  |  | $ | 18.35 |  |  | $ | 33.87 |
Schedule of Nonvested PSUs | A summary of the status of the Company's EPS PSUs as of December 31, 2021, and changes during the period then ended, is presented below:
| Shares (in thousands) |  | Weighted-Average Grant-Date Fair Value
Non-vested at January 1, 2021 | 344 |  |  | $ | 24.58 |
Granted | 149 |  |  | 26.80 |
Vested | — |  |  | — |
Forfeited | (107) |  |  | 30.89 |
Non-vested at December 31, 2021 | 386 |  |  | $ | 23.69 |
| Year ended December 31,
| 2021 |  | 2020 |  | 2019
Weighted-average fair value of EPS PSUs granted | $ | 26.80 |  |  | $ | 19.06 |  |  | $ | 27.23 |
A summary of the status of the Company's TSR PSUs as of December 31, 2021, and changes during the period then ended, is presented below:
| Shares (in thousands) |  | Weighted-Average Grant-Date Fair Value
Non-vested at January 1, 2021 | 344 |  |  | $ | 31.83 |
Granted | 149 |  |  | 35.66 |
Vested | — |  |  | — |
Forfeited | (107) |  |  | 40.57 |
Non-vested at December 31, 2021 | 386 |  |  | $ | 30.89 |
| Year ended December 31,
| 2021 |  | 2020 |  | 2019
Weighted-average fair value of TSR PSUs granted | $ | 35.66 |  |  | $ | 16.80 |  |  | $ | 49.20 |
Schedule of Valuation Assumptions Used to Determine Fair Value |
| 2021
Risk free interest rate | 0.25%
Dividend yield | —%
Volatility factor of the expected market price of the common shares | 52%
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,
| 2021 |  | 2020 |  | 2019
Risk free interest rate | 0.10 | % |  | 1.59 | % |  | 1.59 | %
Dividend yield | 2.86 | % |  | 2.71 | % |  | 2.27 | %
Volatility factor of the expected market price of the common shares | 72 | % |  | 36 | % |  | 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 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: 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 http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + 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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