FAIR VALUE MEASUREMENTS - Schedule of Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Short-term investments	$ 449,509	$ 304,908
Long-term investments	270,438	261,458
Carrying Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents	89,645	235,593
Short-term investments	449,509	304,908
Long-term investments	270,438	261,458
Money market fund \| Carrying Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents	89,645	152,951
Corporate Bonds \| Carrying Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents		36,021
Short-term investments	271,166	163,331
Long-term investments	204,548	208,419
Government Treasury Bills \| Carrying Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Short-term investments	88,944	88,154
Long-term investments	49,848	43,468
Commercial Paper and Certificates of Deposit [Member] \| Carrying Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents		45,430
Short-term investments	65,022	35,717
Foreign Issuer Debt Securities \| Carrying Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents		1,191
Short-term investments	24,377	17,706
Long-term investments	16,042	9,571
Level 1 \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents	89,645	152,951
Short-term investments	88,918	88,206
Long-term investments	49,679	43,540
Level 1 \| Money market fund \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents	89,645	152,951
Level 1 \| Corporate Bonds \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents		0
Short-term investments	0	0
Long-term investments	0	0
Level 1 \| Government Treasury Bills \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Short-term investments	88,918	88,206
Long-term investments	49,679	43,540
Level 1 \| Commercial Paper and Certificates of Deposit [Member] \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents		0
Short-term investments	0	0
Level 1 \| Foreign Issuer Debt Securities \| Carrying Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Short-term investments		0
Level 1 \| Foreign Issuer Debt Securities \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents		0
Short-term investments	0
Long-term investments	0	0
Level 2 \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents	0	82,645
Short-term investments	359,982	216,769
Long-term investments	219,923	218,055
Level 2 \| Money market fund \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents	0	0
Level 2 \| Corporate Bonds \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents		36,022
Short-term investments	270,705	163,335
Long-term investments	203,916	208,482
Level 2 \| Government Treasury Bills \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Short-term investments	0	0
Long-term investments	0	0
Level 2 \| Commercial Paper and Certificates of Deposit [Member] \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents		45,432
Short-term investments	64,939	35,726
Level 2 \| Foreign Issuer Debt Securities \| Fair Value
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Cash equivalents		1,191
Short-term investments	24,338	17,708
Long-term investments	$ 16,007	$ 9,573

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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