Fair Value Measurement, Fair Value Inputs, Assets, Quantitative Information (Details) (USD $) In Thousands, unless otherwise specified											12 Months Ended																					12 Months Ended		12 Months Ended
	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Dec. 31, 2011 Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Dec. 31, 2012 Significant Other Observable Inputs (Level 2) [Member]	Dec. 31, 2011 Significant Other Observable Inputs (Level 2) [Member]	Dec. 31, 2012 Significant Other Unobservable Inputs (Level 3) [Member]	Dec. 31, 2011 Significant Other Unobservable Inputs (Level 3) [Member]	Dec. 31, 2012 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Commercial Real Estate [Member]	Dec. 31, 2012 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Construction and Land [Member]	Dec. 31, 2012 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Residential Real Estate [Member]	Dec. 31, 2012 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Commercial and Industrial [Member]	Dec. 31, 2012 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Weighted Average [Member] Commercial Real Estate [Member]	Dec. 31, 2012 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Weighted Average [Member] Construction and Land [Member]	Dec. 31, 2012 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Weighted Average [Member] Residential Real Estate [Member]	Dec. 31, 2012 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Weighted Average [Member] Commercial and Industrial [Member]	Dec. 31, 2012 Fair Value, Measurements, Recurring [Member]	Dec. 31, 2011 Fair Value, Measurements, Recurring [Member]	Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Dec. 31, 2011 Fair Value, Measurements, Recurring [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Dec. 31, 2011 Fair Value, Measurements, Recurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Significant Other Unobservable Inputs (Level 3) [Member]	Dec. 31, 2011 Fair Value, Measurements, Recurring [Member] Significant Other Unobservable Inputs (Level 3) [Member]	Dec. 31, 2012 Fair Value, Measurements, Nonrecurring [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member]	Dec. 31, 2012 Fair Value, Measurements, Nonrecurring [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Dec. 31, 2012 Fair Value, Measurements, Nonrecurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Dec. 31, 2012 Fair Value, Measurements, Nonrecurring [Member] Significant Other Unobservable Inputs (Level 3) [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Significant Other Unobservable Inputs (Level 3) [Member]	Dec. 31, 2012 Available-for-sale Securities [Member] Significant Other Unobservable Inputs (Level 3) [Member] Discounted cash flow [Member]	Dec. 31, 2012 Available-for-sale Securities [Member] Significant Other Unobservable Inputs (Level 3) [Member] Discounted cash flow [Member] Weighted Average [Member]	Dec. 31, 2012 Other Real Estate Owned [Member] Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member]	Dec. 31, 2012 Other Real Estate Owned [Member] Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Securities available for sale	$ 363	$ 349	$ 47,404	$ 46,965	$ 325	$ 335									$ 48,092	$ 47,649	$ 363	$ 349	$ 47,404	$ 46,965	$ 325	$ 335									$ 325
OREO																																	1,406
Impaired Loans [Abstract]
Impaired Loans at fair value					377		0	46	69	262													868	1,855	0	0	491	0	377	1,855
Total					$ 2,108
Weighted Average, Constant prepayment rate (in hundredths)																																42.00%
Weighted Average, Discount rate (in hundredths)											0.00%	55.00%	10.00%	20.00%																				0.00%

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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