Face (par) amount of debt instrument at time of issuance.

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Period Type:	instant

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 835
-SubTopic 30
-Section 45
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Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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Period Type:	duration

- Definition

debt instrument, issue percentage

+ References

No definition available.

+ Details

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Namespace Prefix:	vrsn_
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Balance Type:	na
Period Type:	instant

- Details

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- Details

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Debt (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 23, 2021
Extinguishment of Debt [Line Items]
Gain (Loss) on Extinguishment of Debt	$ (2,149)	$ 0	$ (2,149)	$ 0
Due 2031 [Member]
Extinguishment of Debt [Line Items]
Debt Issuance Costs, Gross	8,900		8,900
Debt Instrument, Face Amount	$ 750,000		$ 750,000
Debt Instrument, Interest Rate, Stated Percentage	2.70%		2.70%
debt instrument, issue percentage	99.712%		99.712%
Due 2023 [Member]
Extinguishment of Debt [Line Items]
Gain (Loss) on Extinguishment of Debt	$ (2,100)
Debt Instrument, Face Amount					$ 750,000
Debt Instrument, Interest Rate, Stated Percentage					4.625%