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Goodwill and Intangible Assets (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Schedule of Goodwill and Intangible Assets [Line Items]    
Closing date of adjustments to goodwill and intangible assets The adjustments to goodwill and intangible assets during the three months ended March 31, 2023 are primarily attributable to the acquisition of Torreya, which closed on March 1, 2023.  
Amortization of intangible assets $ 4,437 $ 5,094
Institutional Group [Member]    
Schedule of Goodwill and Intangible Assets [Line Items]    
Goodwill and Intangible Asset 59,700  
Amortization of intangible assets $ 3,183  
Customer Relationships [Member]    
Schedule of Goodwill and Intangible Assets [Line Items]    
Weighted-average remaining lives of intangible assets 8 years 10 months 24 days  
Trade Names [Member]    
Schedule of Goodwill and Intangible Assets [Line Items]    
Weighted-average remaining lives of intangible assets 7 years 1 month 6 days  
Core Deposits [Member]    
Schedule of Goodwill and Intangible Assets [Line Items]    
Weighted-average remaining lives of intangible assets 1 year 6 months  
Non-Compete Agreements [Member]    
Schedule of Goodwill and Intangible Assets [Line Items]    
Weighted-average remaining lives of intangible assets 4 years 2 months 12 days  
Investment Banking Backlog [Member]    
Schedule of Goodwill and Intangible Assets [Line Items]    
Weighted-average remaining lives of intangible assets 6 years 2 months 12 days  
Torreya Intangibles [Member]    
Schedule of Goodwill and Intangible Assets [Line Items]    
Weighted-average remaining lives of intangible assets 4 years 10 months 24 days