Fair Value Of Financial Instruments (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Sep. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Proceeds from principal repayments	$ 61,274	$ 116,678
Loans individually evaluated for impairment	48,065		$ 41,995
ACL maintained for individually evaluated impaired loans	0		0
OREO	$ 3,362		3,734
Loans Receivable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated selling costs	10.00%
Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated selling costs	10.00%
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans individually evaluated for impairment	$ 0		0
OREO	0		0
Estimated fair value of deposits	2,410,000		2,340,000
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans individually evaluated for impairment	0		0
OREO	0		0
Estimated fair value of deposits	2,800,000		2,870,000
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Proceeds from principal repayments	19	5
(Decreases) increases in net unrealized losses included in OCI	(80)	$ 39
Loans individually evaluated for impairment	48,065		41,995
OREO	$ 3,362		$ 3,734