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Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Maturities of Marketable Securities Available-for-Sale (Detail) $ in Thousands	Mar. 31, 2020 USD ($)
Amortized Cost
Mature in one year or less	$ 79,250
Mature after one year through two years	12,021
Total amortized cost	91,271
Estimated Fair Value
Mature in one year or less	79,547
Mature after one year through two years	12,087
Total estimated fair value	$ 91,634

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- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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