Investment Securities (Schedule of contractual maturity of held to maturity investment securities) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Held to Maturity: Amortized Cost
After Five Years Through Ten Years	$ 207
After Ten Years	150
Amortized Cost	357	$ 389
Held to Maturity: Fair Value
After Five Years Through Ten Years	210
After Ten Years	151
Fair Value	$ 361

Amount of investment in debt security measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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