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Long-Term Incentive Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2020

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, 2020:

						PSUs												RSUs
						Number of shares						Weighted Average Grant-Date Fair Value						Number of shares						Weighted Average Grant-Date Fair Value
Outstanding, December 31, 2019						295,347						$	31.09					257,564						$	31.14
Granted						94,850						36.45						125,716						36.45
Performance condition adjustment (a)						(6,989)						29.48						—						—
Vested						(162,622)						28.93						(143,807)						30.88
Forfeited						(24,246)						32.57						(26,707)						32.82
Outstanding, December 31, 2020						196,340						$	35.34					212,766						$	34.24

__________________ 

(a)    Represents total PSUs forfeited during the year ended December 31, 2020, related to the 2019 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
			2020						2019						2018
			(thousands)
PSUs			$	3,795					$	3,340					$	4,005
RSUs			4,025						4,633						4,826
Total			$	7,820					$	7,973					$	8,831

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Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

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-Name Accounting Standards Codification
-Topic 718
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-Section 50
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Tabular disclosure of the changes in outstanding nonvested shares.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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