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Cash, Cash Equivalents and Short-Term Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024	Dec. 31, 2023
Cash, Cash Equivalents and Short-Term Investments
Cash	$ 38,939	$ 34,003
Cash equivalents:
Money market mutual fund	204,477	134
Total cash and cash equivalents	243,416	34,137	$ 34,184	$ 35,192
Short-term investments:
Total short-term investments	182,559	216,460
Cash, cash equivalents and short-term investments	425,975	250,597
U.S. Treasury notes and bills
Short-term investments:
Total short-term investments	31,505	41,948
Mutual funds
Short-term investments:
Total short-term investments	98,288	97,675
Corporate debt securities
Short-term investments:
Total short-term investments	$ 52,766	$ 76,837