Intangible Assets (Intangibles Subject to Amortization) (Details) - USD ($) $ in Thousands |
Mar. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross carrying amount | $ 534,720 | |
| Accumulated amortization | (111,289) | |
| Net carrying amount | 423,431 | $ 436,006 |
| Customer relationships | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross carrying amount | 408,267 | |
| Accumulated amortization | (65,354) | |
| Net carrying amount | 342,913 | |
| Other amortizable intangibles | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross carrying amount | 126,453 | |
| Accumulated amortization | (45,935) | |
| Net carrying amount | $ 80,518 |
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. No definition available.
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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