Employee Benefit Plans (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
401 (k) Retirement Savings Plan [Abstract]
Employee's contribution (in hundredths)	50.00%
Maximum percentage of the employee's annual salary (in hundredths)	6.00%
Bank's contribution to employee benefit plans	$ 145,000	$ 139,000	$ 127,000
Employee Stock Ownership Plan ("ESOP") [Abstract]
Recognized ESOP expense	140,000	140,000	140,000
Unallocated shares (in shares)	33,000	47,500	29,807
Fair value of the unallocated shares	$ 104,000