Commitments, Contingencies and Off-Balance Sheet Risk (Details Textual) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Commitments, Contingencies and Off-Balance Sheet Risk (Textual) [Abstract]
Maximum Period to Commit Loan	1 year
Extend of maturities	30 years
Average Reserve Balance Under Federal Reserve Board Requirements	$ 1,112	$ 998
Maximum [Member]
Commitments, Contingencies and Off-Balance Sheet Risk (Textual) [Abstract]
Range of fixed interest rate loan commitments	15.00%	15.00%
Minimum [Member]
Commitments, Contingencies and Off-Balance Sheet Risk (Textual) [Abstract]
Range of fixed interest rate loan commitments	2.25%	2.25%