Goodwill and Other Intangible Assets (Aggregate Amortization Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 11,556	$ 14,033	$ 16,665
Core Deposit Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	9,613	11,909	14,304
Credit Card and Trust Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 1,943	$ 2,124	$ 2,361