Cash, Cash Equivalents, Restricted Cash and Short-Term Investments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Total cash, cash equivalents, restricted cash and short-term investments	$ 350,700	$ 350,700	$ 389,400
Available-for-sale debt securities	269,000	269,000	295,200
Interest receivable	400	400	$ 1,100
Unrealized gain (loss) on available-for-sale securities	$ (32)	$ 41