Short-term Investments and Fair Value Measurements - Narrative (Details) $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($) position shares	Mar. 31, 2021 USD ($)
Debt Securities, Available-for-sale [Line Items]
Realized gain on investments	$ 20	$ 0
Realized loss on investments	339	10
Unrealized loss	$ 4,800	$ 848
Number of securities in a gross unrealized loss position \| position	29
Number of securities in a gross unrealized loss position for more than twelve months \| position	13
Unrealized loss	$ 2,900
Level 1 \| Common stock
Debt Securities, Available-for-sale [Line Items]
Investment owned (in shares) \| shares	597,808

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of realized gain on 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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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Balance held at close of period in number of shares.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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