Fair Value of Financial Instruments and Fair Value Measurements, Quantitative Information (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Impaired Loans [Member] | Commercial [Member] | Nonrecurring [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets measured at fair value	$ 1,357
Impaired Loans [Member] | Sales Comparison [Member] | Commercial [Member] | Nonrecurring [Member] | Minimum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	0.00%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	0.00%
Impaired Loans [Member] | Sales Comparison [Member] | Commercial [Member] | Nonrecurring [Member] | Maximum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	0.00%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	90.00%
Impaired Loans [Member] | Sales Comparison [Member] | Commercial [Member] | Nonrecurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	0.00%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	45.00%
Real Estate [Member] | Commercial Construction [Member] | Nonrecurring [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets measured at fair value	2,900
Real Estate [Member] | Residential Real Estate [Member] | Nonrecurring [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets measured at fair value	2,030
Real Estate [Member] | Commercial Real Estate [Member] | Nonrecurring [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets measured at fair value	13,502
Real Estate [Member] | Farmland [Member] | Nonrecurring [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets measured at fair value	1,127
Real Estate [Member] | Sales Comparison [Member] | Commercial Construction [Member] | Nonrecurring [Member] | Minimum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	(16.00%)
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	0.00%
Real Estate [Member] | Sales Comparison [Member] | Commercial Construction [Member] | Nonrecurring [Member] | Maximum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	28.00%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	10.00%
Real Estate [Member] | Sales Comparison [Member] | Commercial Construction [Member] | Nonrecurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	6.00%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	5.00%
Real Estate [Member] | Sales Comparison [Member] | Residential Real Estate [Member] | Nonrecurring [Member] | Minimum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	(0.70%)
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	0.00%
Real Estate [Member] | Sales Comparison [Member] | Residential Real Estate [Member] | Nonrecurring [Member] | Maximum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	191.70%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	10.00%
Real Estate [Member] | Sales Comparison [Member] | Residential Real Estate [Member] | Nonrecurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	95.50%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	5.00%
Real Estate [Member] | Sales Comparison [Member] | Commercial Real Estate [Member] | Nonrecurring [Member] | Minimum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	0.00%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	0.00%
Real Estate [Member] | Sales Comparison [Member] | Commercial Real Estate [Member] | Nonrecurring [Member] | Maximum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	15.00%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	10.00%
Real Estate [Member] | Sales Comparison [Member] | Commercial Real Estate [Member] | Nonrecurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	7.50%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	5.00%
Real Estate [Member] | Sales Comparison [Member] | Farmland [Member] | Nonrecurring [Member] | Minimum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	(55.00%)
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	30.00%
Real Estate [Member] | Sales Comparison [Member] | Farmland [Member] | Nonrecurring [Member] | Maximum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	388.00%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	70.00%
Real Estate [Member] | Sales Comparison [Member] | Farmland [Member] | Nonrecurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	166.50%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	50.00%
Real Estate [Member] | Income Approach [Member] | Commercial Construction [Member] | Nonrecurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Capitalization Rate (in hundredths)	8.50%
Real Estate [Member] | Income Approach [Member] | Residential Real Estate [Member] | Nonrecurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Capitalization Rate (in hundredths)	12.50%
Real Estate [Member] | Income Approach [Member] | Commercial Real Estate [Member] | Nonrecurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Capitalization Rate (in hundredths)	11.00%
Discount Rate (in hundredths)	5.13%
Other Real Estate Owned [Member] | Nonrecurring [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets measured at fair value	6,701
Other Real Estate Owned [Member] | Sales Comparison [Member] | Nonrecurring [Member] | Minimum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	(35.00%)
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	3.10%
Other Real Estate Owned [Member] | Sales Comparison [Member] | Nonrecurring [Member] | Maximum [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	319.10%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	69.36%
Other Real Estate Owned [Member] | Sales Comparison [Member] | Nonrecurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Adjustment for Differences Between the Comparable Sales (in hundredths)	142.05%
Management Adjustments for Age of Appraisals and/or Current Market Conditions (in hundredths)	28.26%
Other Real Estate Owned [Member] | Income Approach [Member] | Nonrecurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Capitalization Rate (in hundredths)	14.00%
Discount Rate (in hundredths)	3.00%
Asset-Backed Securities [Member] | Recurring [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets measured at fair value	132
Asset-Backed Securities [Member] | Discounted Cash Flow Member] | Recurring [Member] | Minimum [Member]
Unobservable Inputs [Abstract]
Discount Rate (in hundredths)	3.70%
Asset-Backed Securities [Member] | Discounted Cash Flow Member] | Recurring [Member] | Maximum [Member]
Unobservable Inputs [Abstract]
Discount Rate (in hundredths)	4.78%
Asset-Backed Securities [Member] | Discounted Cash Flow Member] | Recurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Discount Rate (in hundredths)	4.24%
State, County and Municipal [Member] | Recurring [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets measured at fair value	$ 991
State, County and Municipal [Member] | Discounted Cash Flow Member] | Recurring [Member] | Weighted Average [Member]
Unobservable Inputs [Abstract]
Discount Rate (in hundredths)		[1]

[1] The Company relies on a third-party pricing service to value its municipal securities. The details of the unobservable inputs and other adjustments used by the third-party pricing service were not readily available to the Company.