Cash Equivalents and Investments - Narrative (Details)	3 Months Ended
	Mar. 31, 2025 USD ($) investment	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)
Restricted Cash and Cash Equivalents Items [Line Items]
Total investments in unrealized loss position | investment	79
Unrealized loss position, less than 12 months, accumulated loss	$ 200,000
Allowance for credit losses	0	$ 7,100,000
Allowance for credit loss	15,400,000		$ 15,400,000
Equity investments, unrealized gains	0	0
Equity investments, unrealized losses	0	0
Restricted cash and investments	59,100,000
Prepaid expenses and other current assets
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash and investments	11,800,000
Other long-term assets
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash and investments	47,300,000
Total fixed income securities
Restricted Cash and Cash Equivalents Items [Line Items]
Gross unrealized losses	400,000
Debt Securities
Restricted Cash and Cash Equivalents Items [Line Items]
Allowance for credit losses	$ 0	$ 0