Investments - Available-for-sale (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	$ 66,543	$ 68,889
Unrealized Gain	103	208
Unrealized Loss	(791)	(884)
Fair Value	65,855	68,213
Debt Securities [Member]
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	65,873	68,219
Unrealized Gain	30	131
Unrealized Loss	(791)	(884)
Fair Value	65,112	67,466
U.S. Agency securities
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	30,847	37,926
Unrealized Gain	13	73
Unrealized Loss	(278)	(465)
Fair Value	30,582	37,534
U.S. Sponsored Mortgage backed securities
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	35,026	30,293
Unrealized Gain	17	58
Unrealized Loss	(513)	(419)
Fair Value	34,530	29,932
Equity and other securities
Amortized cost and fair values of investment securities available-for-sale
Amortized Cost	670	670
Unrealized Gain	73	77
Fair Value	$ 743	$ 747