Commitment and Contingencies - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	Jul. 01, 2020	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Change in the fair value of acquisition-related contingent consideration				$ (5,320)	$ 22,400	$ 8,300
Payment of contingent consideration				15,148	14,075	$ 0
Indemnification Agreement
Lessee, Lease, Description [Line Items]
Indemnification obligation, maximum amount				5,400
Indemnification obligation, deductible amount				1,000
Indemnification obligation accrual				$ 1,000
1st Global
Lessee, Lease, Description [Line Items]
Change in the fair value of acquisition-related contingent consideration			$ 5,500
Reserve for loss contingency accrual					$ 16,900
Honkamp Krueger Financial Services, Inc.
Lessee, Lease, Description [Line Items]
Business combination purchase price	$ 104,400
Undiscounted contingent consideration	60,000
Contingent consideration arrangement, maximum range per earn-out period	$ 30,000
Payment of contingent consideration		$ 30,000	$ 23,000