Advances from the Federal Home Loan Bank (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Summary of advances from federal home loan bank collateralized
Advances and investment from the FHLB 2013	$ 30
Advances and investment from the FHLB 2014	5,090
Advances and investment from the FHLB 2015	42,209
Advances and investment from the FHLB 2016	0
Advances and investment from the FHLB 2017	5,000
Advances and investment from the FHLB thereafter	968
Total advances and investment from the FHLB	$ 53,297	$ 63,604
Maximum [Member]
Summary of advances from federal home loan bank collateralized
Interest rate range in 2013	6.05%
Interest rate range in 2014	6.10%
Interest rate range in 2015	4.05%
Interest rate range in 2016	0.00%
Interest rate range in 2017	0.00%
Interest rate range thereafter	7.00%
Minimum [Member]
Summary of advances from federal home loan bank collateralized
Interest rate range in 2013	5.40%
Interest rate range in 2014	4.26%
Interest rate range in 2015	0.75%
Interest rate range in 2016	0.00%
Interest rate range in 2017	3.95%
Interest rate range thereafter	5.15%

Amount of federal home loan bank advances. Advances are loans from the federal home loan bank system to a member (shareholder).

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due after five years of the Balance Sheet date.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from four to five years of the Balance Sheet date.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due within one year of the Balance Sheet date.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from one to two years of the Balance Sheet date.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from three to four years of the Balance Sheet date.

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Amount of federal home loan bank advances maturing after the fifth fiscal year following the latest fiscal year.

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Amount of federal home loan bank advances maturing in the second fiscal year following the latest fiscal year.

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Amount of federal home loan bank advances maturing in the fourth fiscal year following the latest fiscal year.

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Amount of federal home loan bank advances maturing in the third fiscal year following the latest fiscal year.

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