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Securities (Securities With Unrealized Losses) (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Less than Twelve Months, Fair Value |  | $ 499
Less than Twelve Months, Unrealized Loss |  | 1
Twelve Months or More, Fair Value | 7,437 | 8,401
Twelve Months or More, Unrealized Loss | 62 | 98
Total, Fair Value | 7,437 | 8,900
Total, Unrealized Loss | 62 | 99
U.S. Treasury [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Less than Twelve Months, Fair Value |  | 499
Less than Twelve Months, Unrealized Loss |  | 1
Twelve Months or More, Fair Value | 7,437 | 8,401
Twelve Months or More, Unrealized Loss | 62 | 98
Total, Fair Value | 7,437 | 8,900
Total, Unrealized Loss | $ 62 | $ 99

X
- 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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X
- 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=82897076&loc=d3e27337-111563 + 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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