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Cash Equivalents and Investments - Narrative (Details)
3 Months Ended
Mar. 31, 2023
USD ($)
investment
Mar. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
Restricted Cash and Cash Equivalents Items [Line Items]      
Gross unrealized losses $ 6,800,000   $ 9,500,000
Total investments in unrealized loss position | investment 216    
Unrealized loss position, less than 12 months, accumulated loss $ 200,000    
Unrealized loss position, 12 months or longer, accumulated loss 6,600,000    
Equity securities, realized gain 0 $ 0  
Equity securities, realized loss 0 0  
Equity investments, unrealized gains 0 0  
Equity investments, unrealized losses 0 0  
Loss from equity method investment, net of tax 2,100,000 0  
Restricted cash and investments 50,100,000    
Prepaid expenses and other current assets      
Restricted Cash and Cash Equivalents Items [Line Items]      
Restricted cash and investments 18,400,000    
Other long-term assets      
Restricted Cash and Cash Equivalents Items [Line Items]      
Gross unrealized losses 0   $ 0
Restricted cash and investments 31,700,000    
Debt Securities      
Restricted Cash and Cash Equivalents Items [Line Items]      
Allowance for credit losses $ 0 $ 0