Employee Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Maximum annual salary contribution for non-highly compensated employees	75.00%
Maximum annual salary contribution for highly compensated employees	7.00%
Employer's percentage match of employee's match percentage	50.00%
Percentage of employee's annualy salary that is matched by the employer	6.00%
Amount charged to expense under 401(k) plan	$ 126	$ 119
Salary Continuation Plan charged to expense	82	76
Executive Officer [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Carrying value of deferred compensation	147	66
Director [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Carrying value of deferred compensation	$ 315	$ 177
Period over which benefits will be paid	10 years