Stock-Based Compensation - Summary of Compensation Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation cost incurred	$ 7.9	$ 7.8	$ 17.6	$ 16.8
Capitalized cost during the period	(0.9)	(1.2)	(1.8)	(2.4)
Amortization of capitalized cost during the period	0.9	1.2	1.9	2.5
Total stock-based compensation expense	7.9	7.8	17.7	16.9
Stock option awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation cost incurred	3.5	3.7	7.3	7.5
Performance share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation cost incurred	2.3	2.4	4.7	4.6
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation cost incurred	$ 2.1	$ 1.7	$ 5.6	$ 4.7