Loans (Schedule of Carrying Amount of Loans with Deterioration of Credit Quality) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Carrying Amount, Net of Allowance	$ 15,351	$ 7,555
Receivables Acquired with Deteriorated Credit Quality
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality	15,351	7,555
Receivables Acquired with Deteriorated Credit Quality | Commercial and Industrial Loans
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality	1,115	1,325
Receivables Acquired with Deteriorated Credit Quality | Commercial Real Estate Loans
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality	10,552	5,363
Receivables Acquired with Deteriorated Credit Quality | Agricultural Loans
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality	1,086	0
Receivables Acquired with Deteriorated Credit Quality | Home Equity Loans
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality	0	0
Receivables Acquired with Deteriorated Credit Quality | Consumer Loans
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality	52	0
Receivables Acquired with Deteriorated Credit Quality | Residential Mortgage Loans
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality	$ 2,546	$ 867