Intangible Assets - Definite Life Intangible Assets (Details) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Apr. 18, 2017 |
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||||
| Impairment of intangible assets with definite lives | $ 0 | $ 0 | $ 0 | |
| Finite-Lived Intangible Assets [Line Items] | ||||
| Amortization of intangible assets | $ 37,455,000 | $ 48,545,000 | $ 51,700,000 | |
| Automatic | ||||
| Finite-Lived Intangible Assets [Line Items] | ||||
| Intangible assets subject to amortization | $ 14,700,000 | |||
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- References No definition available.
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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