Acquisitions (Details) $ in Millions	9 Months Ended
Sep. 30, 2018 USD ($) shares
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Cash consideration, gross	$ 27.9
Common stock
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Equity issued in business combination, shares \| shares	713,948
Equity issued in business combination, value assigned	$ 20.1
Equity issued in business combination, fair value	$ 18.0

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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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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Number of shares of equity interests issued or issuable to acquire entity.

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Fair value of equity issued in a business combination.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
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