Federal Home Loan Bank Advances (Details Textual) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Maturities January 2014 through August 2014, with fixed rates ranging from 2.06% to 3.55% [Member]	Dec. 31, 2011 Maturities January 2014 through August 2014, with fixed rates ranging from 2.06% to 3.55% [Member]	Jun. 30, 2011 Maturities January 2014 through August 2014, with fixed rates ranging from 2.06% to 3.55% [Member] Maximum [Member]	Jun. 30, 2012 Maturities January 2014 through August 2014, with fixed rates ranging from 2.06% to 3.55% [Member] Minimum [Member]	Jun. 30, 2012 Maturities January 2015 and July 2015, with fixed rates ranging from 0.80% to 4.76% [Member]	Dec. 31, 2011 Maturities January 2015 and July 2015, with fixed rates ranging from 0.80% to 4.76% [Member]	Jun. 30, 2011 Maturities January 2015 and July 2015, with fixed rates ranging from 0.80% to 4.76% [Member] Maximum [Member]	Jun. 30, 2012 Maturities January 2015 and July 2015, with fixed rates ranging from 0.80% to 4.76% [Member] Minimum [Member]	Jun. 30, 2012 Multi-family mortgage loans [Member]	Jun. 30, 2012 Residential real estate mortgage loans [Member]
Securities Pledged as Collateral [Line Items]
Investment securities											$ 78,529	$ 27,152
Interest rates on Federal Home Loan Bank Advances	2.37%				3.55%	2.06%			4.76%	0.80%
Federal Home Loan Bank Advances (Textual) [Abstract]
Federal Home Loan Bank advances amount	47,495	42,497	14,995	15,027			32,500	12,470
Maximum borrowing capacity of the Bank	66,755
Unused collateral borrowing capacity	17,734
Cash management line of credit	40,000
Amount outstanding	$ 0	$ 0