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Federal Home Loan Bank Borrowings (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Federal Home Loan Bank (FHLB) borrowings and advances
Open Repo Plus, Maturing Overnight, Amount		$ 15,765
Advances, Maturing 2012, Amount	3,000	6,000
Total advances, Amount	3,000	6,000
Total FHLB borrowings, Amount	$ 3,000	$ 21,765
Open Repo Plus Maturing Overnight, Weighted Average Rate		0.34%
Advances Maturing 2012, Weighted Average Rate	1.97%	1.30%
Total advances, Weighted Average Rate	1.97%	1.30%
Aggregate FHLB borrowings, Weighted Average Rate	1.97%	0.60%

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Federal home loan bank, open repo plus, maturities summary, average interest rate, overnight from balance sheet date.

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Federal home loan bank weighted average interest rate.

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Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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Describes the weighted average interest rate applicable to the specific advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

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Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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

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