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Employee Compensation and Benefit Plans - Schedule of Stock Unit Activity (Footnote) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Units Reclassified From Liability-Classified Awards		436
Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	153,080	168,950	147,058
Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	315,165	421,074	373,614
Intrinsic value of stock units vested	$ 7.4	$ 6.5	$ 2.2
Total intrinsic value of stock units vested	$ 9.3	$ 4.3	$ 2.5
Unvested stock units (in shares)	696,325	756,938	603,889	416,226
Weighted average remaining contractual term of share units outstanding (years)	1 year 9 months 18 days
Market-based Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested stock units (in shares)	385,690
Net aggregate intrinsic value of stock awards outstanding	$ 9.5
Equity-Settled Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		57,187
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	89,664
Over Three Years | Equity-Settled Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		5,641
Over Four Years | Equity-Settled Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		51,546
Vesting percentage of awards (percentage)	25.00%

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