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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2023
Compensation Related Costs [Abstract] |
Schedule of Nonvested Share Activity [Table Text Block] | The following summarizes the activity of our PSUs and RSUs awarded under our incentive plan for the six months ended June 30, 2023:
| PSUs |  | RSUs
| Number of shares |  | Weighted Average Grant-Date Fair Value |  | Number of shares |  | Weighted Average Grant-Date Fair Value
Outstanding, December 31, 2022 | 317,854 |  |  | $ | 51.46 |  |  | 155,339 |  |  | $ | 65.17 |
Granted | 93,282 |  |  | 69.33 |  |  | 115,252 |  |  | 69.34 |
Performance condition adjustment (a) | 39,873 |  |  | 79.80 |  |  | — |  |  | — |
Vested | (154,794) |  |  | 40.61 |  |  | (87,632) |  |  | 60.64 |
Forfeited | (5,399) |  |  | 68.55 |  |  | (3,200) |  |  | 70.32 |
Outstanding, June 30, 2023 | 290,816 |  |  | $ | 66.54 |  |  | 179,759 |  |  | $ | 69.96 |
_______________________________ (a) Represents additional PSUs granted during the six months ended June 30, 2023, related to above-target achievement of the 2022 performance condition described above.
Stock-Based Compensation Expense Recognized [Table Text Block] | Total stock-based compensation recognized from PSUs and RSUs, net of forfeitures, was as follows:
| Three Months Ended June 30 |  | Six Months Ended June 30
| 2023 |  | 2022 |  | 2023 |  | 2022
| (thousands)
PSUs | $ | 2,577 |  |  | $ | 1,695 |  |  | $ | 4,391 |  |  | $ | 3,001 |
RSUs | 1,617 |  |  | 1,317 |  |  | 3,127 |  |  | 2,402 |
Total | $ | 4,194 |  |  | $ | 3,012 |  |  | $ | 7,518 |  |  | $ | 5,403 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -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 shares. + 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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