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)	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Constant prepayment rate	16.42%	11.70%
Discount rate	9.71%	9.68%
Mortgage Servicing Rights
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Valuation technique	Discounted cash flow
Interest Rate Lock Commitments
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Valuation technique	Internal Pricing Model
Junior Subordinated Debentures
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Valuation technique	Discounted cash flow
Weighted Average | Mortgage Servicing Rights
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Constant prepayment rate	16.42%
Discount rate	9.71%
Weighted Average | Interest Rate Lock Commitments
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Pull-through rate	84.24%
Weighted Average | Junior Subordinated Debentures
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Credit Spread	5.84%