Fair Value of Financial Instruments (Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques) (Details) - Fair Value, Inputs, Level 3 [Member] - USD ($) $ in Thousands		9 Months Ended		12 Months Ended
		Sep. 30, 2018		Dec. 31, 2017
Investment Securities - available for sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		$ 16,568		$ 14,920
Fair Value Measurements, Significant Assumptions		Discount Rate
Valuation Technique		Discounted Cash Flow
Fair Value Input, Unobservable Input Value, Description		LIBOR+ 3.75%
Investment Securities - available for sale [Member] | London Interbank Offered Rate (LIBOR) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate		3.75%
Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		$ 1,525		$ 2,507
Fair Value Measurements, Significant Assumptions		Marketability Discount
Valuation Technique		Market Comparable Properties
Fair Value Inputs, Comparability Adjustments, Weighted Average		11.40%		10.90%
Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		$ 1,279		$ 1,841
Fair Value Measurements, Significant Assumptions		Marketability Discount
Valuation Technique		Market Comparable Properties
Fair Value Inputs, Comparability Adjustments, Weighted Average		13.70%		13.30%
Minimum [Member] | Investment Securities - available for sale [Member] | London Interbank Offered Rate (LIBOR) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate				4.50%
Minimum [Member] | Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Comparability Adjustments	[1]	10.00%		10.00%
Minimum [Member] | Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Comparability Adjustments	[1]	10.00%		10.00%
Maximum [Member] | Investment Securities - available for sale [Member] | London Interbank Offered Rate (LIBOR) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate				5.50%
Maximum [Member] | Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Comparability Adjustments	[1]	15.00%		15.00%
Maximum [Member] | Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Comparability Adjustments		15.00%	[1]	15.00%

[1] Range would include discounts taken since appraisal and estimated values