Goodwill and Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 280,430	$ 279,199
Accumulated Amortization	149,841	131,042
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	225,631	225,900
Accumulated Amortization	109,216	97,054
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	30,359	30,359
Accumulated Amortization	20,861	17,694
Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	9,440	9,240
Accumulated Amortization	7,158	5,684
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	8,615	8,615
Accumulated Amortization	7,389	6,277
Investment Banking Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	5,545	4,245
Accumulated Amortization	4,377	3,680
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	840	840
Accumulated Amortization	$ 840	$ 653