Financial Instruments with Off-Balance Sheet Risk (Schedule of Commitments Outstanding) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments outstanding	$ 231,522	$ 217,380
Commitments to Extend Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments outstanding	224,703	210,463
Letters of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments outstanding	$ 6,819	$ 6,917