Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Intangible Assets [Line Items]
Definite-lived intangible assets, Accumulated amortization	$ (45,668)	$ (35,183)
Total	96,162
Intangible assets, Gross carrying amount	729,810	729,810
Intangible assets, Net carrying amount	684,142	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	(17,305)	(14,573)
Total	33,225	35,957
Technology
Intangible Assets [Line Items]
Definite-lived intangible assets, Gross carrying amount	19,600	19,600
Definite-lived intangible assets, Accumulated amortization	(5,694)	(2,717)
Total	13,906	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	(9,846)	(6,948)
Total	26,604	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	(12,488)	(10,745)
Total	22,362	24,105
Non-compete agreements
Intangible Assets [Line Items]
Definite-lived intangible assets, Gross carrying amount	400	400
Definite-lived intangible assets, Accumulated amortization	(335)	(200)
Total	65	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