Fair Value Measurement (Schedule Of A Description Of The Valuation Technique, Unobservable Input, And Qualitative Information For The Company's Assets And Liabilities Classified As Level 3) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Constant prepayment rate	11.70%	12.39%	12.74%
Discount rate	9.68%	9.17%	8.69%
Mortgage Servicing Rights [Member]
Valuation Technique	Discounted cash flow
Interest Rate Lock Commitments [Member]
Valuation Technique	Internal Pricing Model
Junior Subordinated Debentures [Member]
Valuation Technique	Discounted cash flow
Weighted Average [Member] | Mortgage Servicing Rights [Member]
Constant prepayment rate	11.70%
Discount rate	9.68%
Weighted Average [Member] | Interest Rate Lock Commitments [Member]
Fair Value Inputs, Pull-through Rate	86.10%
Weighted Average [Member] | Junior Subordinated Debentures [Member]
Credit spread	5.84%