| Assets and Liabilities Measured at Fair Value on a Recurring Basis | 
 Assets and liabilities measured at fair value on a recurring basis are as follows:  
  
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As of June 30, 2025  | 
 
| (in thousands) | 
 | 
Level 1 | 
 | 
Level 2 | 
 | 
Level 3 | 
 | 
Total | 
 
| Assets: | 
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 | 
 | 
 
| Cash equivalents: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Money market funds | 
 | 
$ | 
1,056  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
1,056  | 
 | 
 
U.S. government treasury bills  | 
 | 
—  | 
 | 
 | 
149,404  | 
 | 
 | 
—  | 
 | 
 | 
149,404  | 
 | 
 
Time deposits (1)
  | 
 | 
—  | 
 | 
 | 
30,678  | 
 | 
 | 
—  | 
 | 
 | 
30,678  | 
 | 
 
| Short-term investments: | 
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 | 
 | 
 | 
 | 
 
Available-for-sale short-term investments: (2)
  | 
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U.S. government treasury bills  | 
 | 
—  | 
 | 
 | 
149,117  | 
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 | 
—  | 
 | 
 | 
149,117  | 
 | 
 
| Other short-term investments: | 
 | 
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 | 
 | 
 | 
 | 
 | 
 | 
 
| Money market funds | 
 | 
260  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
260  | 
 | 
 
| Mutual fund shares | 
 | 
1,846  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
1,846  | 
 | 
 
| Prepaid expenses and other current assets: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Derivative financial instruments | 
 | 
—  | 
 | 
 | 
5,875  | 
 | 
 | 
—  | 
 | 
 | 
5,875  | 
 | 
 
| Other non-current assets: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Money market funds  | 
 | 
2,620  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
2,620  | 
 | 
 
| Mutual fund shares  | 
 | 
29,727  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
29,727  | 
 | 
 
| Derivative financial instruments | 
 | 
—  | 
 | 
 | 
844  | 
 | 
 | 
—  | 
 | 
 | 
844  | 
 | 
 
| Total assets measured at fair value | 
 | 
$ | 
35,509  | 
 | 
 | 
$ | 
335,918  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
371,427  | 
 | 
 
| Liabilities: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Accrued liabilities: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Derivative financial instruments | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
12,242  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
12,242  | 
 | 
 
| Other long-term liabilities: | 
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 | 
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| Derivative financial instruments | 
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—  | 
 | 
 | 
12,371  | 
 | 
 | 
—  | 
 | 
 | 
12,371  | 
 | 
 
| Total liabilities measured at fair value | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
24,613  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
24,613  | 
 | 
 
  
(1) Time deposits are carried at amortized cost on the unaudited Condensed Consolidated Balance Sheets, which reasonably approximates fair value.
 
(2) Available-for-sale short-term investments have remaining maturities of less than one year.
 
Assets and liabilities measured at fair value on a recurring basis are as follows:  
  
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As of December 31, 2024  | 
 
| (in thousands) | 
 | 
Level 1 | 
 | 
Level 2 | 
 | 
Level 3 | 
 | 
Total | 
 
| Assets: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Cash equivalents: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Money market funds | 
 | 
$ | 
160,743  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
160,743  | 
 | 
 
U.S. government treasury bills  | 
 | 
—  | 
 | 
 | 
84,622  | 
 | 
 | 
—  | 
 | 
 | 
84,622  | 
 | 
 
Time deposits (1)
  | 
 | 
—  | 
 | 
 | 
22,306  | 
 | 
 | 
—  | 
 | 
 | 
22,306  | 
 | 
 
| Short-term investments: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
Available-for-sale short-term investments: (2)
  | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
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| U.S. government treasury bills  | 
 | 
—  | 
 | 
 | 
281,499  | 
 | 
 | 
—  | 
 | 
 | 
281,499  | 
 | 
 
| Other short-term investments: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Money market funds | 
 | 
384  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
384  | 
 | 
 
| Mutual fund shares | 
 | 
1,725  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
1,725  | 
 | 
 
| Prepaid expenses and other current assets: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Derivative financial instruments | 
 | 
—  | 
 | 
 | 
24,629  | 
 | 
 | 
—  | 
 | 
 | 
24,629  | 
 | 
 
| Other non-current assets: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Money market funds  | 
 | 
1,263  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
1,263  | 
 | 
 
| Mutual fund shares  | 
 | 
29,225  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
29,225  | 
 | 
 
| Derivative financial instruments | 
 | 
—  | 
 | 
 | 
9,137  | 
 | 
 | 
—  | 
 | 
 | 
9,137  | 
 | 
 
| Total assets measured at fair value | 
 | 
$ | 
193,340  | 
 | 
 | 
$ | 
422,193  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
615,533  | 
 | 
 
| Liabilities: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Accrued liabilities: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Derivative financial instruments | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
1,725  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
1,725  | 
 | 
 
| Other long-term liabilities: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Derivative financial instruments | 
 | 
—  | 
 | 
 | 
13  | 
 | 
 | 
—  | 
 | 
 | 
13  | 
 | 
 
| Total liabilities measured at fair value | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
1,738  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
1,738  | 
 | 
 
  
(1) Time deposits are carried at amortized cost on the unaudited Condensed Consolidated Balance Sheets, which reasonably approximates fair value.
 
(2) Available-for-sale short-term investments have remaining maturities of less than one year.
 
Assets and liabilities measured at fair value on a recurring basis are as follows:  
  
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
 | 
 | 
As of June 30, 2024  | 
 
| (in thousands) | 
 | 
Level 1 | 
 | 
Level 2 | 
 | 
Level 3 | 
 | 
Total | 
 
| Assets: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Cash equivalents: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Money market funds | 
 | 
$ | 
20,204  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
20,204  | 
 | 
 
| U.S. Government treasury bills | 
 | 
—  | 
 | 
 | 
34,813  | 
 | 
 | 
—  | 
 | 
 | 
34,813  | 
 | 
 
Time deposits (1)
  | 
 | 
—  | 
 | 
 | 
47,781  | 
 | 
 | 
—  | 
 | 
 | 
47,781  | 
 | 
 
| Short-term investments: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
Available-for-sale short-term investments: (2)
  | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| U.S. Government treasury bills | 
 | 
—  | 
 | 
 | 
367,031  | 
 | 
 | 
—  | 
 | 
 | 
367,031  | 
 | 
 
| Other short-term investments: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Money market funds | 
 | 
343  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
343  | 
 | 
 
| Mutual fund shares | 
 | 
1,902  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
1,902  | 
 | 
 
| Prepaid expenses and other current assets: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Derivative financial instruments | 
 | 
—  | 
 | 
 | 
16,734  | 
 | 
 | 
—  | 
 | 
 | 
16,734  | 
 | 
 
| Other non-current assets: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Money market funds  | 
 | 
1,502  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
1,502  | 
 | 
 
| Mutual fund shares  | 
 | 
26,343  | 
 | 
 | 
—  | 
 | 
 | 
—  | 
 | 
 | 
26,343  | 
 | 
 
| Derivative financial instruments | 
 | 
—  | 
 | 
 | 
6,492  | 
 | 
 | 
—  | 
 | 
 | 
6,492  | 
 | 
 
| Total assets measured at fair value | 
 | 
$ | 
50,294  | 
 | 
 | 
$ | 
472,851  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
523,145  | 
 | 
 
| Liabilities: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Accrued liabilities: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Derivative financial instruments | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
2,099  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
2,099  | 
 | 
 
| Other long-term liabilities: | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
| Derivative financial instruments | 
 | 
—  | 
 | 
 | 
65  | 
 | 
 | 
—  | 
 | 
 | 
65  | 
 | 
 
| Total liabilities measured at fair value | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
2,164  | 
 | 
 | 
$ | 
—  | 
 | 
 | 
$ | 
2,164  | 
 | 
 
  
(1) Time deposits are carried at amortized cost on the unaudited Condensed Consolidated Balance Sheets, which reasonably approximates fair value.
 
(2) Available-for-sale short-term investments have remaining maturities of less than one year.
 
 |