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Estimates:	3 Months Ended
Mar. 31, 2012
Estimates: [Abstract]
Estimates:	Estimates: The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The allowance for loan losses, deferred tax assets, carrying amount of goodwill and fair values of financial instruments are particularly subject to change.

Estimates:

3 Months Ended

Mar. 31, 2012

Estimates:

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The allowance for loan losses, deferred tax assets, carrying amount of goodwill and fair values of financial instruments are particularly subject to change.