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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of fair value measurement of level 3 financial assets and liabilities (Details) - Fair Value, Inputs, Level 3 - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Mandatorily redeemable noncontrolling interests issued after November 5, 2003 |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Balance at beginning of period | $ 4,648 | $ 4,506
Fair Value Adjustments | 750 | 0
Relating to Undistributed Earnings | 1,836 | 1,150
Purchases, Sales and Settlements | (1,399) | (1,008)
Transfer in and/or out of Level 3 | 0 | 0
Balance at end of period | 5,835 | 4,648
Contingent consideration |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Balance at beginning of period | 31,046 | 0
Fair Value Adjustments | (4,536) | (10,371)
Relating to Undistributed Earnings | 0 | 0
Purchases, Sales and Settlements | 1,475 | 41,417
Transfer in and/or out of Level 3 | 0 | 0
Balance at end of period | 27,985 | 31,046
Equity securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at beginning of period | 368,465 | 377,549
Fair Value Adjustments | (5,135) | 11,110
Relating to Undistributed Earnings | (23) | 0
Purchases, Sales and Settlements | 366,519 | 18,458
Transfer in and/or out of Level 3 | 5,812 | (38,652)
Balance at end of period | 735,638 | 368,465
Loans receivable at fair value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at beginning of period | 701,652 | 873,186
Fair Value Adjustments | 22,366 | (54,357)
Relating to Undistributed Earnings | (5,247) | 11,474
Purchases, Sales and Settlements | (186,102) | (87,814)
Transfer in and/or out of Level 3 | (250) | (40,837)
Balance at end of period | 532,419 | 701,652
Trading Losses Income And Fair Value Adjustments On Loan | Equity securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Fair Value Adjustments | 10,884 | (984)
Gain (Loss) On Investments | Equity securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Fair Value Adjustments | $ (16,019) | $ 12,094

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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