Fair Value Measurements (Details 2) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Financial assets, Carrying Amount
Cash and cash equivalents, Carrying Amount	$ 59,756	$ 96,223	$ 94,370	$ 131,090
Investment securities held to maturity, Carrying Amount	4,513	4,630
Loans, net, Carrying Amount	733,113	703,051
Financial liabilities, Carrying Amount
Deposits, Carrying Amount	928,909	949,004
Short-term borrowings, Carrying Amount	6,629	4,808
Financial assets, Estimated Fair Value
Investment securities held to maturity, Estimated Fair Value	4,555	4,694
Fair Value, Inputs, Level 1 [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents, Estimated Fair Value	59,756	96,223
Fair Value, Inputs, Level 2 [Member]
Financial assets, Carrying Amount
Investment securities held to maturity, Carrying Amount	4,513	4,630
Loans, net, Carrying Amount	733,113	703,051
Financial liabilities, Carrying Amount
Deposits, Carrying Amount	928,909	949,004
Short-term borrowings, Carrying Amount	6,629	4,808
Financial assets, Estimated Fair Value
Investment securities held to maturity, Estimated Fair Value	4,555	4,694
Loans, net, Estimated Fair Value	753,387	724,771
Financial liabilities, Estimated Fair Value
Deposits, Estimated Fair Value	928,568	948,605
Short-term borrowings, Estimated Fair Value	$ 6,629	$ 4,808