Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended
	Nov. 01, 2021	Mar. 31, 2022	Mar. 31, 2021
Schedule of Goodwill and Intangible Assets [Line Items]
Amortization of intangible assets		$ 5,094	$ 4,268
Customer Relationships [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets		9 years 10 months 24 days
Trade Names [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets		8 years 1 month 6 days
Core Deposits [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets		2 years 6 months
Non-Compete Agreements [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets		5 years 2 months 12 days
Investment Banking Backlog [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets		7 years 2 months 12 days
Acquired Technology [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets		6 months
North Atlantic Capital Corporation Member [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Date of acquisition	Nov. 01, 2021