Fair Value Measurements (Textual) (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Fair Value Measurements (Textual) [Abstract]
Impairment of goodwill	$ 0	$ 0
Impairment identified for intangible assets	0	0
Fair Value Measurements Recurring [Member]
Fair Value Measurements (Textual) [Abstract]
Liabilities recorded at fair value	0	0
Fair Value Measurements Nonrecurring [Member]
Fair Value Measurements (Textual) [Abstract]
Liabilities recorded at fair value	$ 0	$ 0
Minimum [Member]
Fair Value Measurements (Textual) [Abstract]
Discount factors used to determine fair value	70.00%
Minimum [Member] \| Other Real Estate and Repossessed Assets [Member]
Fair Value Measurements (Textual) [Abstract]
Discount factors used to determine fair value	70.00%
Maximum [Member]
Fair Value Measurements (Textual) [Abstract]
Discount factors used to determine fair value	80.00%
Maximum [Member] \| Other Real Estate and Repossessed Assets [Member]
Fair Value Measurements (Textual) [Abstract]
Discount factors used to determine fair value	75.00%

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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

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-Name Accounting Standards Codification

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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+ Details