Marketable Securities |
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Investments, Debt and Equity Securities [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Marketable Securities | 2. Marketable Securities The following table summarizes cash equivalents and marketable securities held at June 30, 2023 and December 31, 2022 (in thousands), which are recorded at fair value. The table below excludes $331.4 million and $159.3 million of cash at June 30, 2023 and December 31, 2022, respectively.
As of June 30, 2023 and December 31, 2022, marketable securities were in a net unrealized loss position of $8.9 million and $15.6 million, respectively. The Company has recorded a net unrealized gain of $0.5 million and $6.7 million during the three and six months ended June 30, 2023, respectively, related to its debt securities, which is included in comprehensive loss on the condensed consolidated statements of operations and comprehensive loss. The Company recorded a net unrealized loss of $3.4 million and $15.2 million during the three and six months ended June 30, 2022, respectively, related to its debt securities, which is included in comprehensive loss on the condensed consolidated statements of operations and comprehensive loss. As of June 30, 2023 and December 31, 2022, the aggregate fair value of marketable securities that were in an unrealized loss position for less than twelve months was $820.2 million and $628.4 million, respectively. As of June 30, 2023 and December 31, 2022, the aggregate fair value of marketable securities that were in an unrealized loss position for more than twelve months was $298.5 million and $619.2 million, respectively. Of this amount, securities totaling $4.9 million and $53.1 million as of June 30, 2023 and December 31, 2022, respectively, will mature beyond one year. The Company determined that there is no material credit risk associated with the above investments as of June 30, 2023. The Company has the intent and ability to hold such securities until recovery. As a result, the Company did not record any charges for credit-related impairments for its marketable securities for the three and six months ended June 30, 2023 and 2022. No available-for-sale debt securities held as of June 30, 2023 had remaining maturities greater than thirty months. |