Loans, Past Due And Accruing Restructured (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Financing receivables, non accruals, past due, and accruing restructured loans [Line Items]
Mortgage Loans on Real Estate, Cost of Mortgages Sold	$ 4,500
Non-accrual loans	2,254	$ 5,599
Past-due 90 days or more and still accruing	130	203
Total non-accrual and past-due 90 days or more and still accruing	2,384	5,802
Accruing restructured loans	13,887	14,269
Total	16,271	20,071
Commercial and Industrial [Member]
Financing receivables, non accruals, past due, and accruing restructured loans [Line Items]
Non-accrual loans	0	0
Commercial Secured By Real Estate [Member]
Financing receivables, non accruals, past due, and accruing restructured loans [Line Items]
Non-accrual loans	1,302	4,277
Agricultural [Member]
Financing receivables, non accruals, past due, and accruing restructured loans [Line Items]
Non-accrual loans	39	70
Residential Real Estate [Member]
Financing receivables, non accruals, past due, and accruing restructured loans [Line Items]
Non-accrual loans	$ 913	$ 1,252