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Securities (Securities With Unrealized Losses) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |  |
Less than 12 Months, Fair Value | $ 499 |  | $ 499
Less than 12 Months, Unrealized Loss |  |  | 1
12 Months or More, Fair Value | 2,501 |  | 8,401
12 Months or More, Unrealized Loss | 1 |  | 98
Total, Fair Value | 3,000 |  | 8,900
Total, Unrealized Loss | 1 |  | 99
U.S. Treasury [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Less than 12 Months, Fair Value | 499 | [1] | 499
Less than 12 Months, Unrealized Loss |  |  | 1
12 Months or More, Fair Value | 2,501 | [1] | 8,401
12 Months or More, Unrealized Loss | 1 | [1] | 98
Total, Fair Value | 3,000 | [1] | 8,900
Total, Unrealized Loss | $ 1 | [1] | $ 99
[1] | Unrealized loss is less than $1 resulting in rounding to zero

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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References No definition available. + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563 + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References No definition available. + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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