Goodwill and Other Intangible Assets (Aggregate Amortization Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 14,033	$ 16,665	$ 19,916
Core Deposit Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	11,909	14,304	16,864
Credit Card and Trust Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 2,124	$ 2,361	2,637
Merchant Processing Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets			$ 415