Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Intangible Assets [Line Items]
Definite-lived intangible assets, Accumulated amortization	$ (40,422)	$ (35,183)
Total	101,408
Intangible assets, Gross carrying amount	729,810	729,810
Intangible assets, Net carrying amount	689,388	694,627
Trade names
Intangible Assets [Line Items]
Definite-lived intangible assets, Gross carrying amount	50,530	50,530
Definite-lived intangible assets, Accumulated amortization	(15,939)	(14,573)
Total	34,591	35,957
Technology
Intangible Assets [Line Items]
Definite-lived intangible assets, Gross carrying amount	19,600	19,600
Definite-lived intangible assets, Accumulated amortization	(4,206)	(2,717)
Total	15,394	16,883
Customer relationships
Intangible Assets [Line Items]
Definite-lived intangible assets, Gross carrying amount	36,450	36,450
Definite-lived intangible assets, Accumulated amortization	(8,394)	(6,948)
Total	28,056	29,502
Regulatory licenses
Intangible Assets [Line Items]
Definite-lived intangible assets, Gross carrying amount	34,850	34,850
Definite-lived intangible assets, Accumulated amortization	(11,616)	(10,745)
Total	23,234	24,105
Non-compete agreements
Intangible Assets [Line Items]
Definite-lived intangible assets, Gross carrying amount	400	400
Definite-lived intangible assets, Accumulated amortization	(267)	(200)
Total	133	200
Broker-Dealer Relationships
Intangible Assets [Line Items]
Indefinite-lived intangible assets, Net carrying amount	570,480	570,480
Enterprise Distribution Channel Customer Relationships
Intangible Assets [Line Items]
Indefinite-lived intangible assets, Net carrying amount	$ 17,500	$ 17,500