Fair Value Measurements (Details 2) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Financial assets, Carrying Amount
Cash and cash equivalents, Carrying Amount	$ 66,176	$ 96,223	$ 109,639	$ 131,090
Investment securities held to maturity, Carrying Amount	4,192	4,630
Loans, net, Carrying Amount	768,964	703,051
Financial liabilities, Carrying Amount
Deposits, Carrying Amount	959,434	949,004
Short-term borrowings, Carrying Amount	6,480	4,808
Financial assets, Estimated Fair Value
Investment securities held to maturity, Estimated Fair Value	4,280	4,694
Fair Value, Inputs, Level 1 [Member]
Financial assets, Estimated Fair Value
Cash and cash equivalents, Estimated Fair Value	66,176	96,223
Fair Value, Inputs, Level 2 [Member]
Financial assets, Carrying Amount
Investment securities held to maturity, Carrying Amount	4,192	4,630
Loans, net, Carrying Amount	768,964	703,051
Financial liabilities, Carrying Amount
Deposits, Carrying Amount	959,434	949,004
Short-term borrowings, Carrying Amount	6,480	4,808
Financial assets, Estimated Fair Value
Investment securities held to maturity, Estimated Fair Value	4,280	4,694
Loans, net, Estimated Fair Value	788,590	724,771
Financial liabilities, Estimated Fair Value
Deposits, Estimated Fair Value	959,193	948,605
Short-term borrowings, Estimated Fair Value	$ 6,480	$ 4,808