Short-Term Borrowings (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Average balances and cost of funds of short-term borrowings
Average Balances	$ 13,179	$ 12,377	$ 14,416
Cost of Funds (percent)	0.17%	0.17%	0.21%
Federal funds purchased
Average balances and cost of funds of short-term borrowings
Average Balances	8,072	4,346	30
Cost of Funds (percent)	0.17%	0.15%	1.73%
Treasury, tax and loan notes
Average balances and cost of funds of short-term borrowings
Average Balances	0	0	2,551
Securities sold under agreements to repurchase
Average balances and cost of funds of short-term borrowings
Average Balances	$ 5,107	$ 8,031	$ 11,835
Cost of Funds (percent)	0.17%	0.18%	0.25%