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Contingencies (Details) individual in Millions	9 Months Ended
	Sep. 30, 2021 individual claim
Vertafore Litigation
Loss Contingencies [Line Items]
Number of pending putative class actions	3
Number of individuals represented by class actions | individual	27.7
Allen, et al. v. Vertafore, Inc.
Loss Contingencies [Line Items]
Number of pending putative class actions	2
Mulvey, et al. v. Vertafore, Inc.
Loss Contingencies [Line Items]
Number of pending putative class actions	1

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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- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

+ References

No definition available.

+ Details

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X

- Definition

Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

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