Loans (Details 8) (Subsequently Defaulted [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 Numbers	Mar. 31, 2014 Numbers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans	5	0
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	$ 737	$ 0
One To Four Family Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans	1	0
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	126	0
One To Four Family Non Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans	1	0
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	104	0
Commercial Real Estate Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans	0	0
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	0	0
Commercial Real Estate Non Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans	2	0
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	387	0
Agriculture Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans	0	0
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	0	0
Commercial Real Estate Other Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans	0	0
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	0	0
Commercial Working Capital [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans	1	0
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	120	0
Commercial Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans	0	0
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	0	0
Home Equity and Home Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans	0	0
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	0	0
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Loans	0	0
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	$ 0	$ 0