Federal Home Loan Bank Borrowings and Federal Funds Purchased (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Federal Home Loan Bank Borrowings and Federal Funds Purchased [Abstract]
Line of credit available to Bank	$ 153,000,000
Maximum percentage of borrowing from FHLB in amounts of total assets (in hundredths)	9.00%
Collateral amount consisted of eligible real estate loans	238,600,000
Outstanding borrowings	0	0
Available borrowings under lines of credit	35,000,000	35,000,000
Federal home loan bank advances activity for year [Abstract]
Year to date average balance	61,000	3,000
Maximum amount outstanding at any month end	$ 0	$ 0
Weighted average interest rate on amount outstanding at year end (in hundredths)	0.00%	0.00%

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The calculated average balance outstanding for the year for all Federal Home Loan Bank advances as of the Balance Sheet date.

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The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date.

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The maximum balance outstanding at any month end during the period as of the Balance Sheet date.

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Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Federal Home Loan Bank borrowings due within one year of the latest balance sheet date.

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Represents maximum percentage of amount borrow from Federal Home Loan Bank (FHLB) of Total assets, subject to certain restrictions and collateral.

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