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Long-Term Incentive Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2022
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 year ended December 31, 2022:
|  | PSUs |  | RSUs
|  | Number of shares |  | Weighted Average Grant-Date Fair Value |  | Number of shares |  | Weighted Average Grant-Date Fair Value
Outstanding, December 31, 2021 |  | 246,210 |  |  | $ | 39.50 |  |  | 161,300 |  |  | $ | 45.08 |
Granted |  | 66,180 |  |  | 79.81 |  |  | 86,869 |  |  | 79.92 |
Performance condition adjustment (a) |  | 64,399 |  |  | 52.45 |  |  | — |  |  | — |
Vested |  | (58,935) |  |  | 34.41 |  |  | (91,594) |  |  | 43.58 |
Forfeited |  | — |  |  | — |  |  | (1,236) |  |  | 79.83 |
Outstanding, December 31, 2022 |  | 317,854 |  |  | $ | 51.46 |  |  | 155,339 |  |  | $ | 65.17 |
__________________ (a) Represents additional PSUs granted during the year ended December 31, 2022, related to above-target achievement of the 2021 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:
| Year Ended December 31
| 2022 |  | 2021 |  | 2020
| (thousands)
PSUs | $ | 6,757 |  |  | $ | 4,240 |  |  | $ | 3,795 |
RSUs | 5,113 |  |  | 3,671 |  |  | 4,025 |
Total | $ | 11,870 |  |  | $ | 7,911 |  |  | $ | 7,820 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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