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 Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 11,321	$ 9,707	$ 37,236	$ 43,295
Effective tax rate	21.00%	36.00%	21.00%	32.00%
Federal statutory rate	21.00%		21.00%	21.00%
Foreign tax credit carry forwards	$ 33,500		$ 33,500
Valuation allowance	33,500		33,500
Second component of tax deductible goodwill, net of tax	$ 500		$ 500

Second component of tax deductible goodwill, net of tax

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.

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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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- Definition

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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Amount of valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from tax credit carryforwards for which it is more likely than not that a tax benefit will not be realized.

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