Nature of Operations and Summary of Significant Accounting Policies (Details Textual)	9 Months Ended
	Sep. 30, 2016 quarter step operating_segment division
Number of Bank Divisions | division	13
Number of Operating Segments | operating_segment	1
Minimum Period Past Due to Consider Loan as Delinquent	30 days
Minimum Period Past Due to Consider Loan as Non Accrual	90 days
Number of Quarters Used to Evaluate Historical Loss Experience | quarter	12
Number of Steps to Achieve Core Revenue Recognition Principal | step	5
Consumer and Other
Minimum Number of Days Delinquent to Charge off Loans	120 days
Minimum Range
Number of years for home equity loan origination term	10 years
Maximum Range
Number of years for home equity loan origination term	20 years