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Condensed Consolidated Statements of Cash Flows (Parenthetical) $ in Thousands | 3 Months Ended
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Mar. 31, 2018 USD ($)
Statement of Cash Flows [Abstract] |
Unrealized loss on marketable securities | $ 78

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- Definition Amount of unrealized gain (loss) on investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Balance Type: | na
Period Type: | duration