Derivatives (Summary Of Types Of Derivatives, Separately By Assets And Liabilities And Fair Value Of Derivatives) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 5,964	$ 177,423
Derivative Liability	139,061	9,675
Interest rate lock commitments
Derivatives, Fair Value [Line Items]
Asset Derivatives	71	4,641
Derivative Liability	188
Interest rate forward sales commitments
Derivatives, Fair Value [Line Items]
Asset Derivatives	2,920	615
Derivative Liability	777	699
Interest rate swaps
Derivatives, Fair Value [Line Items]
Asset Derivatives	2,748	171,827
Derivative Liability	137,940	8,671
Interest rate contracts | Interest rate lock commitments | Other Assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	71	4,641
Interest rate contracts | Interest rate lock commitments | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	188	0
Interest rate contracts | Interest rate forward sales commitments | Other Assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	2,920	615
Interest rate contracts | Interest rate forward sales commitments | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	777	699
Interest rate contracts | Interest rate swaps | Other Assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	2,748	171,827
Interest rate contracts | Interest rate swaps | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	137,940	8,671
Foreign currency derivatives
Derivatives, Fair Value [Line Items]
Asset Derivatives	225	340
Derivative Liability	156	305
Foreign currency derivatives | Other Assets
Derivatives, Fair Value [Line Items]
Asset Derivatives	225	340
Foreign currency derivatives | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	$ 156	$ 305