Contingencies (Details) individual in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($) data_file claim individual
PowerPlan, Inc | Pending Litigation
Loss Contingencies [Line Items]
Damages sought by plaintiff | $	$ 66.0
Vertafore Litigation
Loss Contingencies [Line Items]
Number of pending putative class actions	3
Number of individuals represented by class actions | individual	27.7
Number of Data Files Stored in Unsecured External Storage Device | data_file	3
Vertafore Litigation | Other Nonoperating Income (Expense)
Loss Contingencies [Line Items]
Litigation settlement, one time charge | $	$ 45.0
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