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Allowance for Loan Losses (Details Textual) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Allowance for Loan Losses (Textual) [Abstract]
TDRs performing under the restructured terms	$ 1.6	$ 11.4
Troubled debt restructurings (TDRs)	$ 5.4

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- Definition

Performing troubled debt restructurings.

+ References

No definition available.

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- Definition

Amount of investment in financing receivables (before modification) modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953676-111524

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