Related Party Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Total revenue	$ 2,125,151	$ 1,919,793	$ 1,991,037
Asset management, administration and distribution fees
Related Party Transaction [Line Items]
Total revenue	1,677,143	1,514,815	1,514,063
Affiliated Entity | Asset management, administration and distribution fees | Fees Earned From Related Party
Related Party Transaction [Line Items]
Total revenue	389,476	389,219	420,206
Affiliated Entity | Asset management, administration and distribution fees | Commissions Earned From Related Party
Related Party Transaction [Line Items]
Total revenue	$ 1,815	$ 1,352	$ 2,601