Derivatives (Summary Of Types Of Derivatives, Separately By Assets And Liabilities And Fair Value Of Derivatives) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 39,446	$ 15,444
Derivative Liability	261,845	271,205
Interest rate lock commitments
Derivatives, Fair Value [Line Items]
Asset Derivatives	176	50
Derivative Liability	39	18
Interest rate forward sales commitments
Derivatives, Fair Value [Line Items]
Asset Derivatives	161	512
Derivative Liability	422	601
Interest rate swaps
Derivatives, Fair Value [Line Items]
Asset Derivatives	34,205	14,657
Derivative Liability	261,144	270,009
Interest rate contracts | Interest rate lock commitments
Derivatives, Fair Value [Line Items]
Asset Derivatives	176	50
Derivative Liability	$ 39	$ 18
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Interest rate contracts | Future
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 4,584	$ 0
Derivative Liability	$ 0	$ 392
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Interest rate contracts | Interest rate forward sales commitments
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 161	$ 512
Derivative Liability	$ 422	$ 601
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Interest rate contracts | Interest rate swaps
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 34,205	$ 14,657
Derivative Liability	$ 261,144	$ 270,009
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Foreign currency derivatives
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 320	$ 225
Derivative Liability	$ 240	$ 185
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities