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Fair Value Measures (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024 | Jun. 30, 2024
--- | --- | --- | ---
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | $ 371,427 | $ 615,533 | $ 523,145
Liabilities, Fair Value Disclosure | 24,613 | 1,738 | 2,164
Level 1 |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 35,509 | 193,340 | 50,294
Liabilities, Fair Value Disclosure | 0 | 0 | 0
Level 2 |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 335,918 | 422,193 | 472,851
Liabilities, Fair Value Disclosure | 24,613 | 1,738 | 2,164
Level 3 |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Liabilities, Fair Value Disclosure | 0 | 0 | 0
Money market funds | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 1,056 | 160,743 | 20,204
Money market funds | Short-term investments: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 260 | 384 | 343
Money market funds | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 2,620 | 1,263 | 1,502
Money market funds | Level 1 | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 1,056 | 160,743 | 20,204
Money market funds | Level 1 | Short-term investments: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 260 | 384 | 343
Money market funds | Level 1 | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 2,620 | 1,263 | 1,502
Money market funds | Level 2 | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Money market funds | Level 2 | Short-term investments: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Money market funds | Level 2 | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Money market funds | Level 3 | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Money market funds | Level 3 | Short-term investments: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Money market funds | Level 3 | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
U.S. government treasury bills | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 149,404 | 84,622 | 34,813
U.S. government treasury bills | Available-for-sale Securities |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 149,117 | 281,499 | 367,031
U.S. government treasury bills | Level 1 | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
U.S. government treasury bills | Level 1 | Available-for-sale Securities |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
U.S. government treasury bills | Level 2 | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 149,404 | 84,622 | 34,813
U.S. government treasury bills | Level 2 | Available-for-sale Securities |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 149,117 | 281,499 | 367,031
U.S. government treasury bills | Level 3 | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
U.S. government treasury bills | Level 3 | Available-for-sale Securities |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Derivative financial instruments | Prepaid expenses and other current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 5,875 | 24,629 | 16,734
Derivative financial instruments | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 844 | 9,137 | 6,492
Derivative financial instruments | Level 1 | Prepaid expenses and other current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Derivative financial instruments | Level 1 | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Derivative financial instruments | Level 2 | Prepaid expenses and other current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 5,875 | 24,629 | 16,734
Derivative financial instruments | Level 2 | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 844 | 9,137 | 6,492
Derivative financial instruments | Level 3 | Prepaid expenses and other current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Derivative financial instruments | Level 3 | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Derivative financial instruments | Accrued liabilities: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Liabilities, Fair Value Disclosure | 12,242 | 1,725 | 2,099
Derivative financial instruments | Other long-term liabilities: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Liabilities, Fair Value Disclosure | 12,371 | 13 | 65
Derivative financial instruments | Level 1 | Accrued liabilities: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Liabilities, Fair Value Disclosure | 0 | 0 | 0
Derivative financial instruments | Level 1 | Other long-term liabilities: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Liabilities, Fair Value Disclosure | 0 | 0 | 0
Derivative financial instruments | Level 2 | Accrued liabilities: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Liabilities, Fair Value Disclosure | 12,242 | 1,725 | 2,099
Derivative financial instruments | Level 2 | Other long-term liabilities: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Liabilities, Fair Value Disclosure | 12,371 | 13 | 65
Derivative financial instruments | Level 3 | Accrued liabilities: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Liabilities, Fair Value Disclosure | 0 | 0 | 0
Derivative financial instruments | Level 3 | Other long-term liabilities: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Liabilities, Fair Value Disclosure | 0 | 0 | 0
Mutual fund shares | Short-term investments: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 1,846 | 1,725 | 1,902
Mutual fund shares | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 29,727 | 29,225 | 26,343
Mutual fund shares | Level 1 | Short-term investments: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 1,846 | 1,725 | 1,902
Mutual fund shares | Level 1 | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 29,727 | 29,225 | 26,343
Mutual fund shares | Level 2 | Short-term investments: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Mutual fund shares | Level 2 | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Mutual fund shares | Level 3 | Short-term investments: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Mutual fund shares | Level 3 | Other non-current assets: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Time deposits | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 30,678 | 22,306 | 47,781
Time deposits | Level 1 | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 0 | 0 | 0
Time deposits | Level 2 | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | 30,678 | 22,306 | 47,781
Time deposits | Level 3 | Cash equivalents: |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |
Assets, Fair Value Disclosure | $ 0 | $ 0 | $ 0

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