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Commitments and Contingencies (Narrative) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($)
Loss contingency accrual | $ 45,721
Amount reserved in case of investigation | 25,000
Data Security Incident [Member] |
Loss contingency accrual | $ 15,000

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Balance Type: | debit
Period Type: | duration

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- Definition Amount of loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | credit
Period Type: | instant

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