Loans (Schedule of Recorded Investment in Nonaccrual Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	$ 5,326	$ 5,970
Loans Past Due 90 Days or More & Still Accruing	10	143
Commercial and Industrial Loans and Leases
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	680	161
Loans Past Due 90 Days or More & Still Accruing	10	68
Commercial Real Estate Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	3,077	3,460
Loans Past Due 90 Days or More & Still Accruing	0	0
Agricultural Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	0	0
Loans Past Due 90 Days or More & Still Accruing	0	75
Home Equity Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	226	268
Loans Past Due 90 Days or More & Still Accruing	0	0
Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	94	196
Loans Past Due 90 Days or More & Still Accruing	0	0
Residential Mortgage Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	1,249	1,885
Loans Past Due 90 Days or More & Still Accruing	0	0
Loans Acquired With Deteriorated Credit Quality (Included in the Total Above)
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	71	1,154
Loans Past Due 90 Days or More & Still Accruing	$ 0	$ 0