Nature of Operations and Summary of Significant Accounting Policies (Details Textual)	3 Months Ended
	Mar. 31, 2015
Number of Bank Divisions	13
Number of Operating Segments	1
Minimum Period Past Due to Consider Loan as Delinquent	30 days
Minimum Period Past Due to Consider Loan as Non Accrual	90 days
Minimum Number of Days Delinquent to Charge off Consumer Loans	120 days
Number of Steps to Achieve Core Revenue Recognition Principal	5
Minimum Range
Number of years for home equity loan origination term	10 years
Maximum Range
Number of years for home equity loan origination term	15 years