Investment Securities (Details 2) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015 USD ($) Investment	Dec. 31, 2014 USD ($) Investment
Summary of gross unrealized losses on investment securities and fair market value of related securities
Number of investments, Less than 12 months | Investment	15	3
Available-for-sale Securities, Less than 12 months, Fair Value	$ 19,070	$ 4,407
Available-for-sale Securities, Less than 12 Months, Unrealized losses	$ 172	$ 11
Number of investments, 12 months or longer | Investment	6	13
Available-for-sale Securities, 12 months or longer, Fair Value	$ 7,227	$ 20,967
Available-for-sale Securities, 12 Months or Longer, Unrealized losses	$ 121	$ 479
Number of investments, Total | Investment	21	16
Available-for-sale Securities, Fair Value, Total	$ 26,297	$ 25,374
Available-for-sale Securities, Unrealized Losses, Total	$ 293	$ 490
US Government agencies [Member]
Summary of gross unrealized losses on investment securities and fair market value of related securities
Number of investments, Less than 12 months | Investment	2
Available-for-sale Securities, Less than 12 months, Fair Value	$ 5,061
Available-for-sale Securities, Less than 12 Months, Unrealized losses	$ 72
Number of investments, 12 months or longer | Investment		2
Available-for-sale Securities, 12 months or longer, Fair Value		$ 7,569
Available-for-sale Securities, 12 Months or Longer, Unrealized losses		$ 215
Number of investments, Total | Investment	2	2
Available-for-sale Securities, Fair Value, Total	$ 5,061	$ 7,569
Available-for-sale Securities, Unrealized Losses, Total	$ 72	$ 215
SBA securities [Member]
Summary of gross unrealized losses on investment securities and fair market value of related securities
Number of investments, Less than 12 months | Investment
Available-for-sale Securities, Less than 12 months, Fair Value
Available-for-sale Securities, Less than 12 Months, Unrealized losses
Number of investments, 12 months or longer | Investment	2	2
Available-for-sale Securities, 12 months or longer, Fair Value	$ 4,983	$ 5,154
Available-for-sale Securities, 12 Months or Longer, Unrealized losses	$ 88	$ 182
Number of investments, Total | Investment	2	2
Available-for-sale Securities, Fair Value, Total	$ 4,983	$ 5,154
Available-for-sale Securities, Unrealized Losses, Total	$ 88	$ 182
States and political subdivisions [Member]
Summary of gross unrealized losses on investment securities and fair market value of related securities
Number of investments, Less than 12 months | Investment	6
Available-for-sale Securities, Less than 12 months, Fair Value	$ 2,489
Available-for-sale Securities, Less than 12 Months, Unrealized losses	$ 18
Number of investments, 12 months or longer | Investment	4	7
Available-for-sale Securities, 12 months or longer, Fair Value	$ 2,244	$ 3,488
Available-for-sale Securities, 12 Months or Longer, Unrealized losses	$ 33	$ 51
Number of investments, Total | Investment	10	7
Available-for-sale Securities, Fair Value, Total	$ 4,733	$ 3,488
Available-for-sale Securities, Unrealized Losses, Total	$ 51	$ 51
Mortgage-backed securities [Member]
Summary of gross unrealized losses on investment securities and fair market value of related securities
Number of investments, Less than 12 months | Investment	7	3
Available-for-sale Securities, Less than 12 months, Fair Value	$ 11,520	$ 4,407
Available-for-sale Securities, Less than 12 Months, Unrealized losses	$ 82	$ 11
Number of investments, 12 months or longer | Investment		2
Available-for-sale Securities, 12 months or longer, Fair Value		$ 4,756
Available-for-sale Securities, 12 Months or Longer, Unrealized losses		$ 31
Number of investments, Total | Investment	7	5
Available-for-sale Securities, Fair Value, Total	$ 11,520	$ 9,163
Available-for-sale Securities, Unrealized Losses, Total	$ 82	$ 42