Fair Value Measurement - Schedule of Fair Value Measurement (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Liabilities:
Contingent consideration	$ 0	$ 19,283
Fair Value, Inputs, Level 1 [Member]
Liabilities:
Contingent consideration	0	0
Fair Value, Inputs, Level 2 [Member]
Liabilities:
Contingent consideration	0	0
Fair Value, Inputs, Level 3 [Member]
Liabilities:
Contingent consideration	$ 0	$ 19,283

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

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