Other Assets and Other Liabilities - Schedule of Other Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Other Liabilities Disclosure [Abstract]
Accrued expenses	$ 197,438	$ 180,724
Current income taxes and other taxes	169,845	139,705
Employee benefit-related liabilities	53,624	60,599
Unclaimed funds at LFB	17,443	18,967
Deferred revenue	130,664	90,715
Securities sold, not yet purchased	6,828	1,176
Deferred offering costs	20,125
Other	30,236	32,652
Total	$ 626,203	$ 524,538