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Subsequent Events | 12 Months Ended
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Dec. 31, 2018
Subsequent Events [Abstract] |
Subsequent Events | Subsequent Events On February 8, 2019, the Company acquired all outstanding stock of HelloSign, Inc. ("HelloSign"), which provides an e-signature and document workflow platform. The preliminary purchase consideration is estimated to be approximately $230 million, consisting primarily of cash payments. Of the $230 million of consideration, $48.5 million is subject to on-going employee service. The related expense will be recognized over the required service period of up to three years, while the related payments will begin in the first quarter of 2020 if the requisite service is provided. The purchase price will be allocated to the tangible and intangible assets and liabilities acquired based on their fair values at the acquisition date. The Company is currently performing the procedures necessary to determine the purchase price allocation, and the Company will record the initial fair value estimates during the three months ending March 31, 2019.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI http://asc.fasb.org/topic&trid=2122774 + Details
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