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Income Taxes (Schedule of Income Tax Allocation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income tax expense	$ 24,230	$ 24,189	$ 21,767
Allocated to stockholders’ equity, for unrealized holding gain/loss on debt and equity securities for financial reporting purposes	5,135	(2,379)	321
Allocated to stockholders’ equity, for tax benefit of pension liabilities	42	(5)	668
Total income taxes	$ 29,407	$ 21,805	$ 22,756

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The tax effect of items occurring during the period that have been charged or credited directly to components of shareholders' equity and are not otherwise defined.

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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 income tax expense (benefit) for continuing operations, discontinued operations, other comprehensive income, and items charged (credited) directly to shareholders' equity.

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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