v3.20.2

Business Combinations - Components of Indefinite-Lived Intangible Assets Acquired (Details) - Pre-Acquisition ZI - Brand portfolio $ in Millions	Feb. 01, 2019 USD ($)
Acquired Indefinite-lived Intangible Assets [Line Items]
Fair Value	$ 33.0
DiscoverOrg Holdings
Acquired Indefinite-lived Intangible Assets [Line Items]
Fair Value	$ 33.0

X

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- Definition

Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

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Namespace Prefix:
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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
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Period Type: