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Accumulated Other Comprehensive Income/(Loss) (Tables) | 12 Months Ended
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Dec. 31, 2016
Accumulated Other Comprehensive Income [Abstract] |
Reconciliation Of Amounts Contained In Accumulated Other Comprehensive Income |
|  |  |  |  | Accumulated |
|  | Accumulated |  | other comprehensive |
|  | other comprehensive |  | income/(loss), |
|  | income/(loss) |  | net of tax |
As of December 31, 2014 |  | $ | 11 |  | $ | 10 |
Other comprehensive loss due to change in fair market value of marketable securities during period before reclassifications |  |  | (34) |  |  | (29) |
Reclassifications due to realization of gain on sale of marketable securities (1) |  |  | (12) |  |  | (10) |
As of December 31, 2015 |  | $ | (35) |  | $ | (29) |
Other comprehensive gain due to change in fair market value of marketable securities during period |  |  | 50 |  |  | 43 |
As of December 31, 2016 |  | $ | 15 |  | $ | 14 |
| (1) |  | Reclassified to gain/(loss) on sale of marketable securities on the Consolidated Statement of Income/(Loss) and Comprehensive Income/(Loss).

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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