Employee Benefits - Summary of Share-Based Compensation Expense Under the 2014 Omnibus Incentive Plan (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 4.5	$ 3.5	$ 13.2	$ 10.6
2014 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	4.5	3.5	13.2	10.6
2014 Omnibus Incentive Plan | Common Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	1.8	1.3	4.8	4.2
2014 Omnibus Incentive Plan | Common Stock Awards | Non-Employee Common Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	0.2	0.2	0.6	0.5
2014 Omnibus Incentive Plan | Performance-Based Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	1.7	1.5	5.3	4.6
2014 Omnibus Incentive Plan | Liability Performance-Based Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	0.3	0.1	1.1	0.2
2014 Omnibus Incentive Plan | Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 0.5	$ 0.4	$ 1.4	$ 1.1