Fair Value Accounting (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Securities available for sale:
US Government agencies	$ 7,314	$ 7,785
SBA securities	5,581	6,072
State and political subdivisions	23,798	25,249
Mortgage-backed securities	32,790	39,116
Total assets measured at fair value on a recurring basis	69,483	78,222
Fair Value, Inputs, Level 1 [Member]
Securities available for sale:
US Government agencies
SBA securities
State and political subdivisions
Mortgage-backed securities
Total assets measured at fair value on a recurring basis
Fair Value, Inputs, Level 2 [Member]
Securities available for sale:
US Government agencies	7,314	7,785
SBA securities	5,581	6,072
State and political subdivisions	23,798	25,249
Mortgage-backed securities	32,790	39,116
Total assets measured at fair value on a recurring basis	69,483	78,222
Fair Value, Inputs, Level 3 [Member]
Securities available for sale:
US Government agencies
SBA securities
State and political subdivisions
Mortgage-backed securities
Total assets measured at fair value on a recurring basis