Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands			12 Months Ended
	Jul. 01, 2022	Nov. 01, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Goodwill and Intangible Assets [Line Items]
Amortization of intangible assets			$ 19,595	$ 18,188	$ 19,620
Trade Names [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets			7 years 3 months 18 days
Non-Compete Agreements [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets			4 years 4 months 24 days
Core Deposits [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets			1 year 8 months 12 days
Investment Banking Backlog [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets			6 years 4 months 24 days
Customer Relationships [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets			9 years 1 month 6 days
ACXIT Capital Partners [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Date of acquisition	Jul. 01, 2022
Vining Sparks [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Date of acquisition		Nov. 01, 2021