Loans (Schedule of Recorded Investment in Nonaccrual Loans) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	$ 5,970	$ 8,378
Loans Past Due 90 Days or More & Still Accruing	143	8
Commercial and Industrial Loans and Leases
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	161	31
Loans Past Due 90 Days or More & Still Accruing	68	0
Commercial Real Estate Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	3,460	6,658
Loans Past Due 90 Days or More & Still Accruing	0	8
Agricultural Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	0	0
Loans Past Due 90 Days or More & Still Accruing	75	0
Home Equity Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	268	114
Loans Past Due 90 Days or More & Still Accruing	0	0
Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	196	236
Loans Past Due 90 Days or More & Still Accruing	0	0
Residential Mortgage Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-Accrual	1,885	1,339
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	1,154	1,705
Loans Past Due 90 Days or More & Still Accruing	$ 0	$ 0