Fair Value Of Assets And Liabilities (Summary Of Differences Between The Fair Value Carrying Amount Of Mortgages Held-For-Sale And Aggregate Unpaid Principal Amount) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans held-for-sale	$ 22,750	$ 26,789
Fair Value Carrying Amount
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans held-for-sale	22,750	26,789
Nonaccrual loans	6,638	7,206
Loans 90 days or more past due and still accruing	22	2,677
Aggregate Unpaid Principal
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans held-for-sale	34,241	41,350
Nonaccrual loans	12,850	13,712
Loans 90 days or more past due and still accruing	26	3,822
Fair Value Carrying Amount Less Aggregate Unpaid Principal
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans held-for-sale	(11,491)	(14,561)
Nonaccrual loans	(6,212)	(6,506)
Loans 90 days or more past due and still accruing	$ (4)	$ (1,145)