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Investments and Fair Value Measurements - Schedule of Continuous Unrealized Loss Position (Details) $ in Thousands | Jun. 30, 2018 USD ($)
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Debt Securities, Available-for-sale [Line Items] |
Less than 12 months, gross unrealized losses | $ (17)
Less than 12 months, fair value | 38,009
Certificates of deposit |
Debt Securities, Available-for-sale [Line Items] |
Less than 12 months, gross unrealized losses | 0
Less than 12 months, fair value | 249
U.S. agency securities and government sponsored securities |
Debt Securities, Available-for-sale [Line Items] |
Less than 12 months, gross unrealized losses | (16)
Less than 12 months, fair value | 32,767
Corporate bonds |
Debt Securities, Available-for-sale [Line Items] |
Less than 12 months, gross unrealized losses | (1)
Less than 12 months, fair value | $ 4,993

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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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 investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
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