Loans (Recorded Investment in Nonaccrual and Loans Past Due Over 90 Days Still On Accrual by Class of Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	$ 6,857	$ 10,357
Loans Past Due 90 Days or More & Still Accruing	94	0
Commercial and Industrial Loans and Leases [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	434	2,480
Loans Past Due 90 Days or More & Still Accruing	0	0
Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	6,017	7,275
Loans Past Due 90 Days or More & Still Accruing	0	0
Agricultural Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	0	0
Loans Past Due 90 Days or More & Still Accruing	94	0
Home Equity Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	149	178
Loans Past Due 90 Days or More & Still Accruing	0	0
Consumer Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	189	167
Loans Past Due 90 Days or More & Still Accruing	0	0
Residential Mortgage Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	68	257
Loans Past Due 90 Days or More & Still Accruing	0	0
Loans Acquired With Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	256	148
Loans Past Due 90 Days or More & Still Accruing	$ 0	$ 0