Fair Value Measurements - Valuation Techniques (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Short-term investments:
Short-term investments	$ 230,887	$ 31,024
Carrying value
Long-term investments:
Total assets	274,893	350,766
Cash \| Carrying value
Assets:
Assets	31,318	19,070
Money market funds \| Carrying value
Assets:
Assets	12,688	300,672
Commercial paper
Short-term investments:
Short-term investments	6,265	3,315
Commercial paper \| Carrying value
Short-term investments:
Short-term investments	6,265	3,315
Corporate debt securities
Short-term investments:
Short-term investments	49,775	8,601
Corporate debt securities \| Carrying value
Short-term investments:
Short-term investments	48,161	8,601
Long-term investments:
Long-term investments	1,614
Government securities
Short-term investments:
Short-term investments	174,847	19,108
Government securities \| Carrying value
Short-term investments:
Short-term investments	174,847	19,108
Level 1 \| Estimate of fair value measurement
Long-term investments:
Total assets	218,853	338,850
Level 1 \| Cash \| Estimate of fair value measurement
Assets:
Assets	31,318	19,070
Level 1 \| Money market funds \| Estimate of fair value measurement
Assets:
Assets	12,688	300,672
Level 1 \| Government securities \| Estimate of fair value measurement
Short-term investments:
Short-term investments	174,847	19,108
Level 2 \| Estimate of fair value measurement
Long-term investments:
Total assets	56,040	11,916
Level 2 \| Commercial paper \| Estimate of fair value measurement
Short-term investments:
Short-term investments	6,265	3,315
Level 2 \| Corporate debt securities \| Estimate of fair value measurement
Short-term investments:
Short-term investments	48,161	$ 8,601
Long-term investments:
Long-term investments	$ 1,614

Fair value portion of asset recognized for present right to economic benefit.

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