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Fair Value Measurements (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013
Fair Value Measurements (Textual) [Abstract]
Loan held for sale selling period	30 days
Amount of non-financial assets (liabilities)	$ 0
Non-financial assets or liabilities for which no impairment was provided	$ 0

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- Definition

Mortgage loans selling period.

+ References

No definition available.

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- Definition

Non financial assets liabilities for which no impairment provided.

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No definition available.

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Balance Type:	debit
Period Type:	duration

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- Definition

Non financial assets liabilities value.

+ References

No definition available.

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