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Securities (Amortized Cost and Fair Value of Debt Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Schedule Of Available For Sale Securities [Line Items]
Due in one year or less, Amortized Cost	$ 3,002	$ 3,002
Due from one to five years, Amortized Cost	8,472	8,497
Available-for-sale Securities Total, Amortized Cost	11,761	11,845
Due in one year or less, Fair Value	2,987	2,993
Due from one to five years, Fair Value	8,333	8,424
Available-for-sale Securities Total, Fair Value	11,614	11,773
Mortgage-Backed Securities - Residential [Member]
Schedule Of Available For Sale Securities [Line Items]
No single maturity, Amortized Cost	203	236
No single maturity, Fair Value	209	244
Available-for-sale Securities Total, Fair Value	209	244
Collateralized Mortgage Obligations [Member]
Schedule Of Available For Sale Securities [Line Items]
No single maturity, Amortized Cost	84	110
No single maturity, Fair Value	85	112
Available-for-sale Securities Total, Fair Value	$ 85	$ 112

X

- Definition

This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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