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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Taxes [Abstract]
Income tax expense (benefit) on operations	$ 5,794	$ (6,721)	$ 6,213	$ (5,508)
Effective income tax rate	22.60%	23.60%	23.80%	23.20%
Total operating income (loss)	$ 26,684	$ (26,823)	$ 28,743	$ (23,164)

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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