CONSOLIDATED VIEs - Schedule of Consolidated VIE Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
ASSETS
Cash and cash equivalents	$ 1,165,718	$ 971,316
Customers and other receivables	152,705	201,767
Investments	688,411	701,964
Other assets	405,550	414,518
Total Assets	4,820,004	4,635,781
LIABILITIES
Deposits and other customer payables	346,834	443,262
Other liabilities	614,329	546,947
Total Liabilities	4,055,549	4,065,919
Consolidated VIEs
ASSETS
Cash and cash equivalents	2,921	4,627
Customers and other receivables	526	23,277
Investments	153,146	196,112
Other assets	493	683
Total Assets	157,086	224,699
LIABILITIES
Deposits and other customer payables	293	23,498
Other liabilities	362	353
Total Liabilities	$ 655	$ 23,851