FAIR VALUE DISCLOSURE - Schedule of Financial Assets Measured at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Assets:
Restricted cash, current	$ 0	$ 403	$ 1,822
Short-term investments	726,875	0
Strategic investment - convertible promissory notes	43,400	55,225
Total assets measured and recorded at fair value	2,345,766	2,215,864
Liabilities:
Contingent consideration	15,536
Contingent consideration	51,673	0
Total liabilities measured and recorded at fair value	67,209
Level 1
Assets:
Restricted cash, current		403
Strategic investment - convertible promissory notes	0	0
Total assets measured and recorded at fair value	1,575,491	2,160,639
Liabilities:
Contingent consideration	0
Contingent consideration	0
Total liabilities measured and recorded at fair value	0
Level 2
Assets:
Restricted cash, current		0
Strategic investment - convertible promissory notes	0	0
Total assets measured and recorded at fair value	726,875	0
Liabilities:
Contingent consideration	0
Contingent consideration	0
Total liabilities measured and recorded at fair value	0
Level 3
Assets:
Restricted cash, current		0
Strategic investment - convertible promissory notes	43,400	55,225
Total assets measured and recorded at fair value	43,400	55,225
Liabilities:
Contingent consideration	15,536
Contingent consideration	51,673
Total liabilities measured and recorded at fair value	67,209
Cash
Assets:
Cash and cash equivalents:	870,491	794,213
Cash | Level 1
Assets:
Cash and cash equivalents:	870,491	794,213
Cash | Level 2
Assets:
Cash and cash equivalents:	0	0
Cash | Level 3
Assets:
Cash and cash equivalents:	0	0
Money market funds
Assets:
Cash and cash equivalents:	705,000	1,366,023
Money market funds | Level 1
Assets:
Cash and cash equivalents:	705,000	1,366,023
Money market funds | Level 2
Assets:
Cash and cash equivalents:	0	0
Money market funds | Level 3
Assets:
Cash and cash equivalents:	0	$ 0
Time deposits
Assets:
Short-term investments	726,875
Time deposits | Level 1
Assets:
Short-term investments	0
Time deposits | Level 2
Assets:
Short-term investments	726,875
Time deposits | Level 3
Assets:
Short-term investments	$ 0