Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Aug. 01, 2023
Schedule of Goodwill and Intangible Assets [Line Items]
Amortization of intangible assets	$ 4,800	$ 4,400	$ 13,872	$ 14,966
Institutional Group [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Goodwill and Intangible Asset	$ 61,900		61,900		$ 21,400
Amortization of intangible assets			$ 10,220
Customer Relationships [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets	9 years 9 months 18 days		9 years 9 months 18 days
Trade Names [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets	7 years 3 months 18 days		7 years 3 months 18 days
Core Deposits [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets	1 year 4 months 24 days		1 year 4 months 24 days
Non-Compete Agreements [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets	4 years 6 months		4 years 6 months
Estimated Sierra Pacific intangibles[Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets	4 years 9 months 18 days		4 years 9 months 18 days
Investment Banking Backlog [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Weighted-average remaining lives of intangible assets	4 years 10 months 24 days		4 years 10 months 24 days