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Intangible Assets, Net Estimated Useful Lives of Intangible Assets (Details) $ in Thousands | 6 Months Ended
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Jun. 30, 2018 USD ($)
Finite-Lived Intangible Assets [Line Items] |
Gross Carrying Value as of Acquisition Date | $ 169,913
Weighted Average Estimated Useful Life in Years | 19 years
Customer Relationships [Member] |
Finite-Lived Intangible Assets [Line Items] |
Gross Carrying Value as of Acquisition Date | $ 144,900
Weighted Average Estimated Useful Life in Years | 20 years
Trademarks and Trade Names [Member] |
Finite-Lived Intangible Assets [Line Items] |
Gross Carrying Value as of Acquisition Date | $ 15,400
Weighted Average Estimated Useful Life in Years | 29 years
Other Intangible Assets [Member] |
Finite-Lived Intangible Assets [Line Items] |
Gross Carrying Value as of Acquisition Date | $ 9,613
Weighted Average Estimated Useful Life in Years | 1 year

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition 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. + References No definition available. + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References No definition available. + Details
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