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Share-based Compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	878,091	868,315
Increase (decrease) in accrued employee compensation expense	$ 4.9	$ 5.9
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expense recognized	10.2	$ 10.1
Unrecognized share-based compensation expense	$ 67.0		$ 55.2
Weighted average period for compensation expense expected to be recognized	1 year 4 months 24 days	10 months 24 days
2015 Management Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	0	0
2015 Management Incentive Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Expiration period	10 years
2015 Management Incentive Plan | RSUs and RSAs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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