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Reporting Unit, Percentage Of Fair Value Below Carrying Amount

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Sensitivity Analysis Of Fair Value Inputs, Impact Of 1 Percent Adverse Change In Discount Rate, Percent

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Percentage above fair value that an investor seeking to acquire control of an entity will pay, used as an input to measure fair value.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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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.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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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.

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Percentage of fair value of reporting unit in excess of carrying amount.

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Price of a single share of a number of saleable stocks of a company.

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Goodwill and Intangible Assets, Net - Goodwill - Narrative (Details) - USD ($)			3 Months Ended			12 Months Ended
	Oct. 31, 2017	Sep. 30, 2017	Sep. 30, 2017	Jun. 30, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Aug. 17, 2015	Nov. 12, 2014	Feb. 11, 2014
Goodwill [Line Items]
Goodwill					$ 639,188,000	$ 639,484,000	$ 639,484,000	$ 639,188,000
Increase in goodwill							296,000
Accumulated impairment losses						0
Impairment of intangible assets						$ 319,246,000	19,663,000	0
Share price (USD per share)		$ 18.45	$ 18.45								$ 20.07
Market capitalization		$ 653,000,000	$ 653,000,000
Fair value percentage below carrying amount, reporting unit		18.00%
Fair value percentage above carrying amount, net assets		6.00%
Goodwill, impairment	$ 0	$ 0					$ 0	$ 0
Fair value inputs, discount rate, sensitivity analysis of one percent	1.00%
Fair value percentage above carrying amount, reporting unit	18.00%
Lumara Health Inc.
Goodwill [Line Items]
Goodwill										$ 198,100,000
CBR
Goodwill [Line Items]
Goodwill									$ 441,371,000
Increase in goodwill				$ 300,000	$ 1,800,000
Makena \| Makena base technology
Goodwill [Line Items]
Impairment of intangible assets			$ 319,200,000
Minimum
Goodwill [Line Items]
Fair value inputs, control premium			30.00%
Discount rate	10.00%
Maximum
Goodwill [Line Items]
Fair value inputs, control premium			83.00%
Discount rate	19.50%
Weighted Average
Goodwill [Line Items]
Fair value inputs, control premium			64.00%
Discount rate	13.60%