Fair Value (Recurring Basis) (Details) (Significant Unobservable Inputs (Level 3) [Member], USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Impaired Loans with Specific Allocations [Member] | Commercial and Industrial Loans and Leases [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 20
Valuation Technique(s)	Sales comparison approach
Adjustment for differences between the comparable sales	Adjustment for differences between the comparable sales
Impaired Loans with Specific Allocations [Member] | Commercial and Industrial Loans and Leases [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted Average	10.00%
Impaired Loans with Specific Allocations [Member] | Commercial and Industrial Loans and Leases [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted Average	90.00%
Impaired Loans with Specific Allocations [Member] | Commercial and Industrial Loans and Leases [Member] | Weighted Average [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted Average	22.00%
Impaired Loans with Specific Allocations [Member] | Commercial Real Estate Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	2,101
Valuation Technique(s)	Sales comparison approach Income approach Cost approach
Adjustment for differences between the comparable sales	Adjustment for physical condition of comparable properties sold Adjustment for net operating income generated by the property Adjustment for investor rates of return
Impaired Loans with Specific Allocations [Member] | Commercial Real Estate Loans [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted Average	15.00%
Impaired Loans with Specific Allocations [Member] | Commercial Real Estate Loans [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted Average	78.00%
Impaired Loans with Specific Allocations [Member] | Commercial Real Estate Loans [Member] | Weighted Average [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted Average	57.00%
Other Real Estate [Member] | Commercial Real Estate Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 723
Valuation Technique(s)	Sales comparison approach Income approach Cost approach
Adjustment for differences between the comparable sales	Adjustment for physical condition of comparable properties sold Adjustment for net operating income generated by the Property Adjustment for investor rates of return
Other Real Estate [Member] | Commercial Real Estate Loans [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted Average	2.00%
Other Real Estate [Member] | Commercial Real Estate Loans [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted Average	50.00%
Other Real Estate [Member] | Commercial Real Estate Loans [Member] | Weighted Average [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted Average	29.00%