Stock-Based Compensation - Summary of Compensation Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation cost incurred	$ 7.6	$ 4.5	$ 24.4	$ 17.8
Capitalized cost during the period	(1.1)	0.0	(3.4)	0.0
Amortization of capitalized cost during the period	1.1	0.0	3.6	0.0
Total stock-based compensation expense	7.6	4.5	24.6	17.8
Stock option awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation cost incurred	3.6	1.6	11.0	5.7
Performance share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation cost incurred	2.2	1.8	6.8	6.5
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation cost incurred	$ 1.8	$ 1.1	$ 6.6	$ 5.6