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Related-Party Transactions	3 Months Ended
Related-Party Transactions	Mar. 31, 2018
Related Party Transactions [Abstract]
Related-Party Transactions	9. RELATED-PARTY TRANSACTIONS The Company has agreements with one of the Company’s strategic investors. The Company recorded revenues of $1.0 million for the three months ended March 31, 2018 related to this investor. The revenues and expenses with this investor were not material for the three months ended March 31, 2017. The Company had accounts receivable balance of $1.3 million and $0.5 million as of March 31, 2018 and December 31, 2017, respectively, related to sales to this investor. In addition, a member of the Company’s Board of Directors is a senior vice president at an operating unit of one of the strategic investors. The Company had no significant transactions with this investor for the three months ended March 31, 2018 and 2017, respectively. The Company did had insignificant balances outstanding with this investor as of March 31, 2018 and December 31, 2017, respectively.