Quarterly report pursuant to Section 13 or 15(d)

Cash, Cash Equivalents and Short-Term Investments - Unrealized Loss Position (Details)

v3.19.1
Cash, Cash Equivalents and Short-Term Investments - Unrealized Loss Position (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
item
Fair value and gross unrealized losses of investments in individual securities in unrealized loss position  
Weighted-average time to maturity of cash equivalents and available-for-sale securities 61 days
Number of investments in continuous unrealized loss position for more than twelve months | item 0
Number of individual securities in unrealized loss position for twelve months or less | item 32
Other-than-temporary impairments of securities $ 0
Fair Value 69,359
Unrealized Losses $ (12)