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Share Capital - Schedule of Common Stock Issued and Outstanding (Details) - shares
 3 Months Ended 9 Months Ended
Sep. 13, 2024
May 08, 2024
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Common shares issued - beginning of period (in shares)     101,922,771 103,683,894 110,225,103 103,087,859
Common shares outstanding - beginning of period (in shares)     101,922,771 103,683,894 110,225,103 103,087,859
Vesting of awards (in shares)         761,261 735,013
Share class conversions (in shares)     0   0  
Exercise of awards (in shares)         245,779  
Director share awards granted (in shares)       20,112 20,383 44,892
Share repurchases (in shares)     (530,049)   (9,859,804) (163,758)
Common shares issued - end of period (in shares)     101,392,722 103,704,006 101,392,722 103,704,006
Common shares outstanding - end of period (in shares)     101,392,722 103,704,006 101,392,722 103,704,006
Common Class A            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Common shares issued - beginning of period (in shares)     19,520,078 30,520,078 28,644,807 30,520,078
Common shares outstanding - beginning of period (in shares)     19,520,078 30,520,078 28,644,807 30,520,078
Vesting of awards (in shares)         0 0
Share class conversions (in shares)     (1,700,000)   (1,700,000)  
Exercise of awards (in shares)         0  
Director share awards granted (in shares)       0 0 0
Share repurchases (in shares)   (9,100,000) 0   (9,124,729) 0
Common shares issued - end of period (in shares)     17,820,078 30,520,078 17,820,078 30,520,078
Common shares outstanding - end of period (in shares)     17,820,078 30,520,078 17,820,078 30,520,078
Common Class B            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Common shares issued - beginning of period (in shares)     57,358,464 42,638,190 56,036,067 42,042,155
Common shares outstanding - beginning of period (in shares)     57,358,464 42,638,190 56,036,067 42,042,155
Vesting of awards (in shares)         761,261 735,013
Share class conversions (in shares)     6,840,580   7,340,580  
Exercise of awards (in shares)         245,779  
Director share awards granted (in shares)       20,112 20,383 44,892
Share repurchases (in shares)     (530,049)   (735,075) (163,758)
Common shares issued - end of period (in shares)     63,668,995 42,658,302 63,668,995 42,658,302
Common shares outstanding - end of period (in shares)     63,668,995 42,658,302 63,668,995 42,658,302
Common Class C            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Common shares issued - beginning of period (in shares)     25,044,229 30,525,626 25,544,229 30,525,626
Common shares outstanding - beginning of period (in shares)     25,044,229 30,525,626 25,544,229 30,525,626
Vesting of awards (in shares)         0 0
Share class conversions (in shares) 1,700,000   (5,140,580)   (5,640,580)  
Exercise of awards (in shares)         0  
Director share awards granted (in shares)       0 0 0
Share repurchases (in shares)     0   0 0
Common shares issued - end of period (in shares)     19,903,649 30,525,626 19,903,649 30,525,626
Common shares outstanding - end of period (in shares)     19,903,649 30,525,626 19,903,649 30,525,626