Short-term Borrowings (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Federal Funds Purchased [Member]
Short-term Debt [Line Items]
Short-term Debt	$ 0	$ 0	$ 0
Short-term Debt, Weighted Average Interest Rate	0.00%	0.00%	0.00%
Short-term Debt, Average Outstanding Amount	43	225	6
Short-term Debt, Weighted Average Interest Rate During Year	0.92%	0.96%	1.00%
Short-term Debt, Maximum Month-end Outstanding Amount	2,376	1,925	0
Securities Sold under Agreements to Repurchase [Member]
Short-term Debt [Line Items]
Short-term Debt	3,363	2,689	2,805
Short-term Debt, Weighted Average Interest Rate	0.50%	0.50%	0.50%
Short-term Debt, Average Outstanding Amount	2,774	2,746	2,416
Short-term Debt, Weighted Average Interest Rate During Year	0.50%	0.50%	0.50%
Short-term Debt, Maximum Month-end Outstanding Amount	$ 3,363	$ 3,174	$ 2,936