Employee Benefit Plans (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended	61 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 hours	Jun. 30, 2012	Dec. 31, 2012	Jun. 30, 2013 Non-Qualified Deferred Compensation Plans [Member]	Jun. 30, 2012 Non-Qualified Deferred Compensation Plans [Member]	Jun. 30, 2013 Non-Qualified Deferred Compensation Plans [Member]	Dec. 31, 2012 Non-Qualified Deferred Compensation Plans [Member]	Mar. 31, 2013 Executive Offisers [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Minimum hours of service completed in year of contribution			1,000
Matching contribution	$ 49,000	$ 52,000	$ 97,000	$ 102,000
Employer matching contribution, percent			5.00%							15.00%
Deferred compensation arrangement						37,000	4,000	113,000	87,000
Cash contributions to ESOP			$ 0		$ 0