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Commitments and Contingencies Commitments and Contingencies (Details) | 9 Months Ended
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Sep. 30, 2018 USD ($)
Commitments and Contingencies Disclosure (Details) [Abstract] |
Loss Contingency Accrual, Provision | $ 0

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- Definition Commitments and Contingencies Disclosure (Details) [Abstract] + References No definition available. + Details
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- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + 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=82911808&loc=d3e14326-108349 + Details
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