Goodwill and Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 285,363	$ 279,590
Accumulated Amortization	158,344	149,001
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	227,405	225,631
Accumulated Amortization	116,189	109,216
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	30,359	30,359
Accumulated Amortization	21,625	20,861
Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	10,071	9,440
Accumulated Amortization	7,753	7,158
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	8,615	8,615
Accumulated Amortization	7,812	7,389
Investment Banking Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	8,913	5,545
Accumulated Amortization	$ 4,965	$ 4,377