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Fair Value Measurements (Details) - USD ($) $ in Thousands	3 Months Ended
Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Fair Value Measurements
Short-term investments (U.S. Government Securities and Agency Investments)	$ 215,771		$ 228,802
Unrealized loss on forward exchange contracts	(479)	$ 130
Level 2 \| Foreign Exchange Contract [Member] \| Estimate of fair value measurement
Fair Value Measurements
Unrealized loss on forward exchange contracts	(500)
Recurring \| Estimate of fair value measurement
Fair Value Measurements
Long-term investments (U.S. Government Securities and Agency Investments)			182,396
Total	533,826		504,981
Recurring \| Money market funds, U.S. Government Securities and Agency Investments \| Estimate of fair value measurement
Fair Value Measurements
Cash equivalents (money market funds, U.S. Government Securities and Agency Investments)	115,195		93,348
Recurring \| U.S. Government Securities and Agency Investments \| Estimate of fair value measurement
Fair Value Measurements
Short-term investments (U.S. Government Securities and Agency Investments)	215,771		228,802
Long-term investments (U.S. Government Securities and Agency Investments)	203,339
Recurring \| Foreign Exchange Contract [Member] \| Estimate of fair value measurement
Fair Value Measurements
Mark-to-market adjustment on forward exchange contracts	(479)		435
Recurring \| Level 1
Fair Value Measurements
Long-term investments (U.S. Government Securities and Agency Investments)			182,396
Total	534,305		504,546
Recurring \| Level 1 \| Money market funds, U.S. Government Securities and Agency Investments
Fair Value Measurements
Cash equivalents (money market funds, U.S. Government Securities and Agency Investments)	115,195		93,348
Recurring \| Level 1 \| U.S. Government Securities and Agency Investments
Fair Value Measurements
Short-term investments (U.S. Government Securities and Agency Investments)	215,771		228,802
Long-term investments (U.S. Government Securities and Agency Investments)	203,339
Recurring \| Level 2
Fair Value Measurements
Total			435
Unrealized loss on forward exchange contracts	(479)
Recurring \| Level 2 \| Foreign Exchange Contract [Member]
Fair Value Measurements
Mark-to-market adjustment on forward exchange contracts	$ (479)		$ 435
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Prepaid Expense and Other Assets, Current		Prepaid Expense and Other Assets, Current