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Fair Value Measurements (Details Textual) (USD $)	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Fair Value Measurements (Textual) [Abstract]
Impaired loans	$ 29,200,000
Impaired allowances for losses aggregating	5,862,000	3,748,000
Impaired loans charge-offs	$ 2,900,000

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- Definition

Impaired loans.

+ References

No definition available.

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- Definition

Impaired loans charge offs.

+ References

No definition available.

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524

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