Segment Information - Additional Information (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) Segment	Jun. 30, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | Segment			4
Revenues	$ 839.7	$ 727.3	$ 1,744.5	$ 1,542.6
Bermuda, Cayman Islands, Ireland and London
Segment Reporting Information [Line Items]
Revenues	$ 20.3	$ 19.1	$ 40.7	$ 36.6