Goodwill and Intangibles Assets - Schedule of Goodwill By Reportable Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Beginning balance	$ 298,248
Ending balance (1)	465,991	$ 298,248
Goodwill deductible for tax purposes	111,800	122,400
Investment Management
Goodwill [Roll Forward]
Beginning balance	298,248	298,248
Business combination (Note 3)	167,743	0
Ending balance (1)	$ 465,991	$ 298,248