Share Capital - Share Repurchase Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Class of Stock [Line Items]
Share repurchases (in shares)	723,688	1,652,945	1,837,704	2,496,609
Common Class B
Class of Stock [Line Items]
Share repurchases (in shares)	723,688	1,652,945	1,837,704	2,496,609
Open Market Repurchases \| Common Class B
Class of Stock [Line Items]
Share repurchases (in shares)	720,310	1,652,945	1,394,783	2,148,432
Share repurchases	$ 22,096	$ 35,041	$ 41,802	$ 45,316
Shares acquired (in dollars per share)	$ 30.68	$ 21.20	$ 29.97	$ 21.09

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Number of shares that have been repurchased and retired during the period.

+ References

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+ Details

- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

+ Details