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Share Capital - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended	9 Months Ended
	Sep. 13, 2024	May 08, 2024	Sep. 30, 2024	Sep. 30, 2024	Sep. 30, 2023	Aug. 07, 2024
Class of Stock [Line Items]
Share repurchases (in shares)			530,049	9,859,804	163,758
Share repurchase authorization						$ 150.0
Remaining share repurchase authorization			$ 140.0	$ 140.0
Percent of combined voting power, Class A and Class B			9.50%	9.50%
Share class conversions (in shares)			0	0
Common Class A
Class of Stock [Line Items]
Share repurchases (in shares)		9,100,000	0	9,124,729	0
Shares acquired (in dollars per share)		$ 12.00
Share repurchases		$ 109.5
Share class conversions (in shares)			(1,700,000)	(1,700,000)
Common Class B
Class of Stock [Line Items]
Share repurchases (in shares)			530,049	735,075	163,758
Shares acquired (in dollars per share)			$ 18.87
Share repurchases			$ 10.0
Percent of combined voting power, Class A and Class B			14.92%	14.92%
Share class conversions (in shares)			6,840,580	7,340,580
Common Class C
Class of Stock [Line Items]
Share repurchases (in shares)			0	0	0
Share class conversions (in shares)	1,700,000		(5,140,580)	(5,640,580)

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