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Long-Term Incentive Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2021

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, 2021:

						PSUs												RSUs
						Number of shares						Weighted Average Grant-Date Fair Value						Number of shares						Weighted Average Grant-Date Fair Value
Outstanding, December 31, 2020						196,340						$	35.34					212,766						$	34.24
Granted						73,265						52.45						101,059						52.95
Performance condition adjustment (a)						94,850						36.45						—						—
Vested						(68,223)						38.70						(106,200)						35.64
Forfeited						(50,022)						37.43						(46,325)						34.07
Outstanding, December 31, 2021						246,210						$	39.50					161,300						$	45.08

__________________ 

(a)    Represents additional PSUs granted during the year ended December 31, 2021, related to the 2020 performance condition adjustment 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
			2021						2020						2019
			(thousands)
PSUs			$	4,240					$	3,795					$	3,340
RSUs			3,671						4,025						4,633
Total			$	7,911					$	7,820					$	7,973

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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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Tabular disclosure of the changes in outstanding nonvested shares.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
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