Loans (Details 7) - TDRs [Member] $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($) Numbers	Sep. 30, 2014 USD ($) Numbers	Sep. 30, 2015 USD ($) Numbers	Sep. 30, 2014 USD ($) Numbers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans	10	13	37	49
Troubled Debt Restructurings, Recorded Investment | $	$ 321	$ 1,065	$ 3,171	$ 4,657
Residential Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans		2		17
Troubled Debt Restructurings, Recorded Investment | $		$ 308		$ 1,680
Residential Non Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans		2		2
Troubled Debt Restructurings, Recorded Investment | $		$ 361		$ 361
1-4 Family Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans	0		3
Troubled Debt Restructurings, Recorded Investment | $	$ 0		$ 226
1-4 Family Non Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans	0		4
Troubled Debt Restructurings, Recorded Investment | $	$ 0		$ 63
Commercial Real Estate Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans	1	0	2	0
Troubled Debt Restructurings, Recorded Investment | $	$ 72	$ 0	$ 632	$ 0
Commercial Real Estate Non Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans	0	1	2	2
Troubled Debt Restructurings, Recorded Investment | $	$ 0	$ 135	$ 252	$ 493
Agriculture Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans	0	0	3	0
Troubled Debt Restructurings, Recorded Investment | $	$ 0	$ 0	$ 1,552	$ 0
Commercial Real Estate Other Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans	0	0	0	0
Troubled Debt Restructurings, Recorded Investment | $	$ 0	$ 0	$ 0	$ 0
Commercial Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans	1		2
Troubled Debt Restructurings, Recorded Investment | $	$ 19		$ 73
Other Commercial Working Capital [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans	2	2	4	13
Troubled Debt Restructurings, Recorded Investment | $	$ 114	$ 24	$ 119	$ 1,700
Home Equity and Home Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans	4	5	11	12
Troubled Debt Restructurings, Recorded Investment | $	$ 114	$ 234	$ 217	$ 401
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans	2	1	6	3
Troubled Debt Restructurings, Recorded Investment | $	$ 2	$ 3	$ 37	$ 22