Stockholders' Equity - eXponential Stock Performance Plan (Details) $ in Millions	3 Months Ended	6 Months Ended	53 Months Ended	61 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recorded share-based compensation expense	$ 0.0			$ 246.0
eXponential Stock Units | 2019 eXponential Stock Performance Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recorded share-based compensation expense			$ 197.7
Unrecognized stock-based compensation expense	$ 2.1	$ 2.1	$ 2.1	$ 2.1
Weighted average period over which costs are recognized		4 months 24 days