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Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Effective tax rate	17.60%	16.10%	16.90%	15.10%
Unrecognized tax benefits that would have a favorable impact on effective tax rate	$ 200,000		$ 200,000
Provision for income taxes	$ 19,788,000	$ 37,767,000	$ 43,734,000	$ 70,185,000
U.S. statutory rate	21.00%	21.00%	21.00%	21.00%

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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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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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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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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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