Leases - Leases included in the Condensed Consolidated Statement of Financial Condition (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Operating Leases
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Right-of-use assets	Right-of-use assets
Operating lease right-of-use assets	$ 398,804	$ 414,105
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Lease liabilities	Lease liabilities
Operating lease liabilities	$ 466,439	$ 482,781
Finance Leases
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Right-of-use assets	Right-of-use assets
Property and equipment, gross	$ 13,284	$ 10,947
Amortization of right-of-use assets	(3,580)	(3,072)
Property and equipment, net	$ 9,704	$ 7,875
Finance Lease, Liability, Statement of Financial Position [Extensible List]	Lease liabilities	Lease liabilities
Finance lease liabilities	$ 9,351	$ 7,954