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FAIR VALUE MEASUREMENTS AND INVESTMENTS - Investments (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Roll forward of investments
Beginning balance	$ 42,907	$ 38,169	$ 38,169
Income recognized	242	2,752
Contributions / (distributions)	(602)	488
Sale of Investments	(790)
Foreign currency gain		229
Reclassification of foreign currency losses		1,349
Ending balance	41,757	42,987	42,907
Investments without a readily determinable fair value
Roll forward of investments
Beginning balance	41,710	22,590	22,590
Income recognized	47	2,430
Contributions / (distributions)		425
Transfers		16,264	16,300
Ending balance	41,757	41,709	41,710
Fair value investments
Roll forward of investments
Beginning balance	1,197	1,616	1,616
Income recognized	195	229
Contributions / (distributions)	(602)	(567)
Sale of Investments	$ (790)
Ending balance		1,278	1,197
Equity method investments
Roll forward of investments
Beginning balance		13,963	$ 13,963
Income recognized		93
Contributions / (distributions)		630
Foreign currency gain		229
Reclassification of foreign currency losses		1,349
Transfers		$ (16,264)

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- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 55
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480078/944-80-55-14

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 55
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480078/944-80-55-9

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(h))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

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