XML 49 R34.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Description Of Business And Summary Of Significant Accounting Policies (Summary Of Capitalized Costs) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Internally Used Third-Party Software And Consulting Fees [Member] |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |
Capitalized software cost | $ 493 | $ 426
Internally Developed Software [Member] |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |
Capitalized software cost | $ 17,523 | $ 20,061

X
- Definition Additions made to capitalized computer software costs during the period. + 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) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_CapitalizedComputerSoftwareAdditions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Description of business and summary of significant accounting policies [Line Items] + References No definition available. + Details
Name: | vrsn_DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | vrsn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=vrsn_InternallyUsedThirdPartySoftwareAndConsultingFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=vrsn_InternallyDevelopedSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |