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Corporate Restructuring Costs (Narrative) (Details) $ in Thousands	Jan. 01, 2019 USD ($)
Accounting Standards Update 2016-02 [Member] | Office Lease/Corporate Restructuring Costs Into Operating Lease Assets [Member]
Restructuring Cost and Reserve [Line Items]
Reclassification	$ 14,716

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The amount of a reclassification adjustment made to prior period financial statement amounts.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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