Fair Values of Financial Instruments (Quantitative Information about Unobservable Inputs used in Recurring and Nonrecurring Level Three Fair Value Measurements) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Pooled Trust Preferred Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 2,522	$ 2,522
Valuation Technique	Discounted cash flow	Discounted cash flow
Constant prepayment rate	2.00%	2.00%
Cumulative projected prepayments	40.00%	40.00%
Discount rate	8.00%	8.00%
Pooled Trust Preferred Securities | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Probability of default	1.70%	1.70%
Projected cures given deferral	0.00%	0.00%
Loss severity	34.20%	34.20%
Pooled Trust Preferred Securities | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Probability of default	1.80%	1.80%
Projected cures given deferral	15.00%	15.00%
Loss severity	39.80%	39.80%
Impaired loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 720
Valuation Technique	Third party valuations
Discount to reflect realizable value less estimated selling costs	50.00%
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	20.00%
Other Real Estate Owned/Foreclosed Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 57	$ 1,280
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	2.90%	24.40%
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	58.10%	36.70%