Acquisition - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Gross Carrying Amount	$ 32.3	$ 2.0
Accumulated Amortization	2.9	1.6
Net Book Value	$ 29.4	$ 0.4
Weighted Average Useful Life	9 years 6 months	2 years 1 month 6 days
Client lists
Business Acquisition [Line Items]
Amortization Period (Years)	10 years	10 years
Gross Carrying Amount	$ 26.1	$ 2.0
Accumulated Amortization	2.7	1.6
Net Book Value	$ 23.4	$ 0.4
Weighted Average Useful Life	9 years 6 months	2 years 1 month 6 days
Trademarks
Business Acquisition [Line Items]
Amortization Period (Years)	10 years
Gross Carrying Amount	$ 6.2
Accumulated Amortization	0.2
Net Book Value	$ 6.0
Weighted Average Useful Life	9 years 7 months 6 days