Deposits (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Certificate accounts									$ 3,301	$ 5,312	$ 6,617
Regular savings accounts									366	496	413
Checking and NOW accounts									49	45	45
Money market savings accounts									92	167	222
Total interest expense on deposits	$ 1,169	$ 1,257	$ 1,406	$ 1,553	$ 1,691	$ 1,921	$ 2,282	$ 2,358	$ 5,385	$ 8,252	$ 10,279