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Acquisition of eSignLive - Summary of Acquired Intangible Assets as well as Respective Amortization Periods (Detail) - Silanis Technology Inc [Member] $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items] |
Identifiable Intangible Assets, Estimated fair value | $ 47,400
Tradenames [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Identifiable Intangible Assets, Estimated fair value | $ 2,400
Identifiable Intangible Assets, Weighted average amortization period | 10 years
Technology [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Identifiable Intangible Assets, Estimated fair value | $ 10,000
Identifiable Intangible Assets, Weighted average amortization period | 5 years
Non-compete Agreements [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Identifiable Intangible Assets, Estimated fair value | $ 8,000
Identifiable Intangible Assets, Weighted average amortization period | 5 years
Customer Relationships [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Identifiable Intangible Assets, Estimated fair value | $ 27,000
Identifiable Intangible Assets, Weighted average amortization period | 12 years

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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