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Accumulated Other Comprehensive Income/(Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Accumulated other comprehensive income/(loss) |  |
Balances, beginning of period | $ 27,065 | $ 25,283
Balances, end of period | 40,525 | 27,065
Accumulated other comprehensive income/(loss) net of tax |  |
Balances, beginning of period | 27,065 | 25,283
Balances, end of period | 40,525 | 27,065
Accumulated other comprehensive income/(loss) [Member] |  |
Accumulated other comprehensive income/(loss) |  |
Balances, beginning of period | (35) | 11
Balances, end of period | 15 | (35)
Accumulated other comprehensive income/(loss) net of tax |  |
Balances, beginning of period | (35) | 11
Balances, end of period | 15 | (35)
Accumulated due to realization of gain/(loss) on marketable securities [Member] |  |
Accumulated other comprehensive income/(loss) |  |
Other comprehensive loss due to change in fair market value of marketable securities during period before reclassifications | 50 | (34)
Reclassifications |  | (12)
Accumulated other comprehensive income/(loss) net of tax |  |
Other comprehensive loss due to change in fair market value of marketable securities during period before reclassifications | 43 | (29)
Reclassifications |  | (10)
Accumulated other comprehensive income after tax [Member] |  |
Accumulated other comprehensive income/(loss) |  |
Balances, beginning of period | (29) | 10
Balances, end of period | 14 | (29)
Accumulated other comprehensive income/(loss) net of tax |  |
Balances, beginning of period | (29) | 10
Balances, end of period | $ 14 | $ (29)

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E + Details
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