Fair Value of Financial Instruments - Roll Forward of Liability Measured at Fair Value on Recurring Basis Using Unobservable Inputs (Details) $ in Thousands	12 Months Ended
Dec. 31, 2016 USD ($)
Fair Value Disclosures [Abstract]
Transfers into Level 3	$ 98,600
Contingent consideration, ending balance	$ 98,600

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant