Related Party Transactions	12 Months Ended
Dec. 31, 2018
Related Party Transactions [Abstract]
Related Party Transactions	18. Related Party Transactions Certain members of the Company’s board of directors currently serve on the board of directors or as an advisor of companies that are customers of the Company. All contracts with related parties are executed at arm’s length in the ordinary course of business. The aggregate revenue from these customers was $40.0 million in 2018. There was $0.6 million in accounts receivable due from these customers as of December 31, 2018. There were no material transactions with related parties in 2017 or 2016.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-URI http://asc.fasb.org/topic&trid=2122745

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