Derivative Financial Instruments (Details 2) (Interest Rate Swap [Member], Not Designated as Hedging Instrument [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Customer
Customer interest rate swaps (commerical customer counterparty):
Notional amount of assets, Assets	$ 31,891	$ 28,190
Notional amount of assets, Liabilities		1,955
Notional amount of assets, Net total	31,891	30,145
Customer interest rate swaps (commerical customer counterparty):
Fair Value of assets, Assets	493	437
Fair Value of assets, Liabilities		(4)
Fair Value of assets, Net total	493	433
Correspondent
Correspondent interest rate swaps (financial institution counterparty):
Notional amount of liabilities, Assets	31,891	28,190
Notional amount of liabilities, Liabilities		1,955
Notional amount of liabilities, Net total	31,891	30,145
Correspondent interest rate swaps (financial institution counterparty):
Fair Value of liabilities, Assets	(519)	(460)
Fair Value of liabilities, Liabilities		4
Fair Value of liabilities, Net total	$ (519)	$ (456)