Noninterest Income - Summary of Other Noninterest Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Trading Activity, Gains and Losses, Net [Line Items]
Revenue from contracts with customers	$ 328,139	$ 222,440
Net gains on revaluation of foreign currency instruments, net of foreign exchange forward contracts	(952)	(244)
Other service revenue	16,185	3,473
Other	29,792	11,137
Fund management fees
Trading Activity, Gains and Losses, Net [Line Items]
Revenue from contracts with customers	$ 14,559	$ 7,908