Derivative Instruments and Hedging Activities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2012 Interest Rate Swap Customers	Dec. 31, 2011 Interest Rate Swap Customers
Notional amount:			$ 7,500	$ 7,500
Pay fixed rate:			2.72%	2.72%
Receive variable rate:			0.31%	0.55%
Maturity			Sep. 15, 2017	Sep. 15, 2017
Unrealized gain (loss) fair value	$ (182)	$ (699)	$ (699)	$ (576)