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v3.19.1

Assets - Available-For-Sale Securities (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2019 | Sep. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2018 | Dec. 31, 2018
Total available-for-sale securities |  |  |  |  |
Amortized Cost | $ 67,204 |  |  |  | $ 48,205
Gross Unrealized Gains | 11 |  |  |  |
Gross Unrealized Losses |  |  |  |  | (16)
Estimated Fair Value | 67,215 |  |  |  | 48,189
Available-for-sale securities in a loss position |  |  |  |  |
Estimated Fair Value |  |  |  |  | 45,700
Gross Unrealized Losses |  |  |  |  | (16)
Short-term investments in a continuous loss position |  |  |  |  |
Investments that had been in a continuous loss position for more than 12 months | 0 |  |  |  | 0
Realized gains or losses |  |  |  |  |
Realized gains | 0 |  | $ 0 |  |
Realized losses |  | $ 0 |  | $ 0 |
U.S. treasuries |  |  |  |  |
Total available-for-sale securities |  |  |  |  |
Amortized Cost | 51,715 |  |  |  | 37,191
Gross Unrealized Gains | 11 |  |  |  |
Gross Unrealized Losses |  |  |  |  | (7)
Estimated Fair Value | 51,726 |  |  |  | 37,184
Available-for-sale securities in a loss position |  |  |  |  |
Estimated Fair Value |  |  |  |  | 37,184
Gross Unrealized Losses |  |  |  |  | (7)
Government agency securities |  |  |  |  |
Total available-for-sale securities |  |  |  |  |
Amortized Cost | 4,964 |  |  |  |
Estimated Fair Value | 4,964 |  |  |  |
Corporate debt |  |  |  |  |
Total available-for-sale securities |  |  |  |  |
Amortized Cost | 1,999 |  |  |  | 8,525
Gross Unrealized Losses |  |  |  |  | (9)
Estimated Fair Value | 1,999 |  |  |  | 8,516
Available-for-sale securities in a loss position |  |  |  |  |
Estimated Fair Value |  |  |  |  | 8,516
Gross Unrealized Losses |  |  |  |  | (9)
Commercial paper |  |  |  |  |
Total available-for-sale securities |  |  |  |  |
Amortized Cost | 8,526 |  |  |  | 2,489
Estimated Fair Value | $ 8,526 |  |  |  | $ 2,489

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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