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Fair Value Measurements - Narrative (Details)	12 Months Ended
	Dec. 31, 2016
Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Rate of achievement of milestones rate	0.00%
Discount rate used for analysis of future milestones	2.20%
Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Rate of achievement of milestones rate	100.00%
Discount rate used for analysis of future milestones	7.70%

X

- Definition

Discount Rate Used To Derive Fair Value Of Milestone Payments Of Acquisition

+ References

No definition available.

+ Details

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X

- Definition

Rate of Achievement of Milestones

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- 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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Balance Type:	na
Period Type:	duration

X

- Details

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X

- Details

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