Fair Values of Financial Instruments (Quantitative Information about Unobservable Inputs used in Recurring and Nonrecurring Level Three Fair Value Measurements) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Pooled Trust Preferred Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 4,043	$ 3,336
Valuation Technique	Discounted cash flow	Discounted cash flow
Constant prepayment rate	2.00%	2.00%
Cumulative projected prepayments	40.00%	40.00%
Pooled Trust Preferred Securities [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate	8.00%	10.00%
Probability of default	1.80%	1.50%
Projected cures given deferral	0.00%	0.00%
Loss severity	35.40%	46.90%
Pooled Trust Preferred Securities [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate	14.00%	17.00%
Probability of default	2.80%	2.70%
Projected cures given deferral	15.00%	15.00%
Loss severity	70.40%	73.70%
Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	434	925
Valuation Technique	Third party valuations	Third party valuations
Impaired Loans [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount to reflect realizable value less estimated selling costs		7.30%
Discount rate	7.80%
Impaired Loans [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount to reflect realizable value less estimated selling costs		78.30%
Discount rate	32.00%
Other Real Estate Owned/Foreclosed Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	160	1,677
Valuation Technique	Third party valuations	Third party valuations
Other Real Estate Owned/Foreclosed Real Estate [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount to reflect realizable value less estimated selling costs	3.80%	0.00%
Other Real Estate Owned/Foreclosed Real Estate [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount to reflect realizable value less estimated selling costs	16.20%	25.00%
Mortgage Servicing Rights [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 1,659	$ 2,106
Valuation Technique	Third party valuations	Third party valuations
Discount rate	10.00%	10.00%
Servicing fee	0.25%	0.25%
Mortgage Servicing Rights [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Constant prepayment rate	105.00%	105.00%
Mortgage Servicing Rights [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Constant prepayment rate	700.00%	700.00%