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Other Operating Expenses/(Income) (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Other Operating Expenses [Line Items] |  |
Total other operating expenses | $ 242 | $ 6,353
Litigation Settlement [Member] |  |
Other Operating Expenses [Line Items] |  |
Total other operating expenses |  | $ 6,000

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- Definition Other Operating Expenses [Line Items] + References No definition available. + Details
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Period Type: | duration

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- Definition The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |