Goodwill and Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 304,387	$ 280,430
Accumulated Amortization	171,108	149,841
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	227,486	225,631
Accumulated Amortization	122,971	109,216
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	30,359	30,359
Accumulated Amortization	22,366	20,861
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	18,314	840
Accumulated Amortization	3,447	840
Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	10,700	9,440
Accumulated Amortization	8,421	7,158
Investment Banking Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	8,913	5,545
Accumulated Amortization	5,758	4,377
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	8,615	8,615
Accumulated Amortization	$ 8,145	$ 7,389