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Acquisition of eSignLive - Summary of Acquired Intangible Assets (Details) - eSignLive - USD ($) $ in Thousands | Nov. 25, 2015 | Dec. 31, 2016
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Acquired Finite-Lived Intangible Assets |  |
Identified intangible assets | $ 47,400 | $ 47,400
Tradenames |  |
Acquired Finite-Lived Intangible Assets |  |
Identified intangible assets | $ 2,400 |
Identifiable Intangible Assets, Weighted average amortization period | 10 years |
Technology |  |
Acquired Finite-Lived Intangible Assets |  |
Identified intangible assets | $ 10,000 |
Identifiable Intangible Assets, Weighted average amortization period | 5 years |
Non-compete Agreements |  |
Acquired Finite-Lived Intangible Assets |  |
Identified intangible assets | $ 8,000 |
Identifiable Intangible Assets, Weighted average amortization period | 5 years |
Customer Relationships |  |
Acquired Finite-Lived Intangible Assets |  |
Identified intangible assets | $ 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=66006027&loc=d3e16265-109275 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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