Basis and Summary of Significant Accounting Policies - Supplemental Disclosure of Noncash Investing Transactions (Details) $ in Millions	9 Months Ended
Sep. 30, 2017 USD ($)
Accounting Policies [Abstract]
Business combination, fair value of the noncash consideration exchanged	$ 5.5

Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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