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Available-for-Sale Securities (Tables)
6 Months Ended
Jun. 30, 2020
Available-for-Sale Securities  
Summary of Available-for-Sale Securities

We did not have available-for-sale securities as of June 30, 2020.

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As of December 31, 2019, available-for-sale securities consisted of the following (in thousands):

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Gross

    

Gross

    

Aggregate

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Amortized

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Unrealized

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Unrealized

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Fair

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Cost

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Gains

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Losses

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Value

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U.S. treasury securities

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$

134,826

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$

—

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$

—

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$

134,826

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