Annual report pursuant to Section 13 and 15(d)

Cash Equivalents and Short-Term Investments - Narrative (Details)

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Cash Equivalents and Short-Term Investments - Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]      
Cash and cash equivalents $ 128,381 $ 99,953 $ 28,698
Short-term investments 240,820 0  
Unrealized loss positions $ 163,000    
Money market funds      
Debt Securities, Available-for-sale [Line Items]      
Cash and cash equivalents   $ 79,900