Short Term and Long Term Borrowings (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) Customer	Dec. 31, 2014 USD ($)
Debt Instrument [Line Items]
Overnight repurchase agreements	$ 25,950	$ 37,404
U.S. Treasury demand notes	$ 0	0
Number of customer relationships | Customer	3
Major customer relationship repurchase agreements maximum percentage (in hundredths)	5.00%
Outstanding balance	$ 20,042
Percentage of repurchase agreements (in hundredths)	77.23%
1 - 4 family residential real estate pledged loans	$ 75,766
Federal Funds Purchased, Amount of Available, Unused Funds	50,000
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds	237,196
Fixed Rate [Abstract]
Due in one year or less	25,000	5,000
Due after one year through five years		25,000
Total long-term debt	25,000	30,000
Total [Abstract]
Due in one year or less	25,000	5,000
Due after one year through two years		25,000
Total long-term debt	$ 25,000	$ 30,000
Weighted Avg Rate [Abstract]
Due in one year or less (in hundredths)	4.83%	0.26%
One to Two Years from Balance Sheet Date		4.83%
Total long-term debt (in hundredths)	4.83%	4.07%
Maximum [Member]
Debt Instrument [Line Items]
Overnight repurchase agreements maturity period	4 days
Minimum [Member]
Debt Instrument [Line Items]
Overnight repurchase agreements maturity period	1 day