Fair Value Measurements - Contingent Consideration (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Contingent consideration accrued for the acquisition of the Intrarosa intangible asset	$ 18,600	$ 0
Reconciliation of contingent consideration obligations related to acquisitions
Adjustments to fair value of contingent consideration	2,786	1,399
Adjustments to fair value of contingent consideration	2,786	$ 1,399
Lumara Health and MuGard Rights \| Fair value, measurements, recurring \| (Level 3)
Reconciliation of contingent consideration obligations related to acquisitions
Balance at beginning of period	147,995
Payments made	(118)
Adjustments to fair value of contingent consideration	2,786
Balance at end of period	150,663
Adjustments to fair value of contingent consideration	2,786
Mekana
Reconciliation of contingent consideration obligations related to acquisitions
Adjustments to fair value of contingent consideration	2,800
Adjustments to fair value of contingent consideration	2,800
Contingent consideration classified as short-term liability	98,400
Milestone payment expected to be paid in fourth quarter 2017	100,000
Undiscounted milestone payment	250,000
MuGard
Reconciliation of contingent consideration obligations related to acquisitions
Contingent consideration classified as short-term liability	$ 200
Discount rate	12.00%
Period over which estimated undiscounted royalty amounts could be paid (in years)	10 years
MuGard \| Minimum
Reconciliation of contingent consideration obligations related to acquisitions
Estimated undiscounted royalty amounts payable	$ 2,000
MuGard \| Maximum
Reconciliation of contingent consideration obligations related to acquisitions
Estimated undiscounted royalty amounts payable	6,000
Endoceutics License Agreement
Acquired Finite-Lived Intangible Assets [Line Items]
Contingent consideration accrued for the acquisition of the Intrarosa intangible asset	$ 20,000

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Represents the potential milestone payment expected to be paid in the current year to the former Lumara Health security holders based on achievement of a net sales milestone of Makena.

+ References

No definition available.

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Research And Development Asset Acquired Other Than Through Business Combination, Contingent Consideration, Liability

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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) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 35
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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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