Fair Value Measurement, Fair Value Inputs, Assets, Quantitative Information (Details) (USD $) In Thousands, unless otherwise specified															3 Months Ended																									3 Months Ended
	Mar. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Mar. 31, 2013 Significant Other Observable Inputs (Level 2) [Member]	Dec. 31, 2012 Significant Other Observable Inputs (Level 2) [Member]	Mar. 31, 2013 Significant Other Unobservable Inputs (Level 3) [Member]	Dec. 31, 2012 Significant Other Unobservable Inputs (Level 3) [Member]	Mar. 31, 2013 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Commercial Real Estate [Member]		Mar. 31, 2013 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Construction and Land [Member]		Mar. 31, 2013 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Residential Real Estate [Member]		Mar. 31, 2013 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Commercial and Industrial [Member]		Mar. 31, 2013 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Weighted Average [Member] Commercial Real Estate [Member]		Mar. 31, 2013 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Weighted Average [Member] Construction and Land [Member]		Mar. 31, 2013 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Weighted Average [Member] Residential Real Estate [Member]		Mar. 31, 2013 Significant Other Unobservable Inputs (Level 3) [Member] Appraised value [Member] Weighted Average [Member] Commercial and Industrial [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member]	Dec. 31, 2012 Fair Value, Measurements, Recurring [Member]	Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Significant Other Unobservable Inputs (Level 3) [Member]	Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Significant Other Unobservable Inputs (Level 3) [Member]	Mar. 31, 2013 Fair Value, Measurements, Nonrecurring [Member]	Dec. 31, 2012 Fair Value, Measurements, Nonrecurring [Member]	Mar. 31, 2013 Fair Value, Measurements, Nonrecurring [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Dec. 31, 2012 Fair Value, Measurements, Nonrecurring [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Mar. 31, 2013 Fair Value, Measurements, Nonrecurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Dec. 31, 2012 Fair Value, Measurements, Nonrecurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Mar. 31, 2013 Fair Value, Measurements, Nonrecurring [Member] Significant Other Unobservable Inputs (Level 3) [Member]	Dec. 31, 2012 Fair Value, Measurements, Nonrecurring [Member] Significant Other Unobservable Inputs (Level 3) [Member]	Mar. 31, 2013 Available-for-sale Securities [Member] Significant Other Unobservable Inputs (Level 3) [Member]	Mar. 31, 2013 Available-for-sale Securities [Member] Significant Other Unobservable Inputs (Level 3) [Member] Discounted cash flow [Member] Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Securities available for sale	$ 362	$ 363	$ 45,026	$ 47,404	$ 313	$ 325																	$ 45,701	$ 48,092	$ 362	$ 363	$ 45,026	$ 47,404	$ 313	$ 325									$ 313
Impaired Loans [Abstract]
Impaired Loans at fair value					259		0	[1]	124	[1]	0	[1]	135	[1]																	1,200	868	0	0	941	491	259	377
Total					$ 572
Weighted Average, Constant prepayment rate (in hundredths)																																								30.00%
Weighted Average, Discount rate (in hundredths)															0.00%	[1]	23.00%	[1]	0.00%	[1]	54.00%	[1]

[1] Discount applied based on age of appraisals, current market conditions, and experience within local market.