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FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Jun. 30, 2025	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Investments in securities:
Investments in trading securities	$ 17,706		$ 17,706			$ 25,748
Total assets measured at fair value	19,729		19,729			27,694
Fair Value Inputs [Abstract] (Deprecated 2018-01-31)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	0	$ 12,000	0	$ 12,000	$ 0	4,657	$ 10,133	$ 10,176
Payment for Contingent Consideration Liability, Financing Activities			(201)	(1,815)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	$ 0	$ 1,824	$ 0	$ 3,682
Unobservable input - growth discount rate - weighted average	true	true	true	true
Unobservable input - growth discount rate - maximum	true	true	true	true
Unobservable input - growth discount rate - minimum	true	true	true	true
Unobservable input - growth volatility - weighted average	true	true	true	true
Unobservable input - growth volatility - maximum	true	true	true	true
Unobservable input - growth volatility - minimum	true	true	true	true
Asset Acquisition, Consideration Transferred, Contingent Consideration	$ 0	$ 0	$ (4,657)	$ (1,815)
Level 1
Investments in securities:
Investments in trading securities	17,556		17,556			25,748
Total assets measured at fair value	17,556		17,556			25,748
Level 2
Investments in securities:
Investments in trading securities	150		150			0
Total assets measured at fair value	150		150			0
Level 3
Investments in securities:
Investments in trading securities	0		0			0
Total assets measured at fair value	0		0			$ 0
Asset Acquisition, Consideration Transferred, Contingent Consideration						Level 3
Other Liabilities, Fair Value Disclosure						$ 4,657
Investments Measured at NAV
Investments in securities:
Investments in trading securities	0		0			0
Total assets measured at fair value	2,023		2,023			$ 1,946
Fair Value, Recurring
Investments in securities:
Asset Acquisition, Consideration Transferred, Contingent Consideration						Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member]
Other Liabilities, Fair Value Disclosure						$ 4,657
Private investment funds
Investments in securities:
Private	2,023		2,023			1,946
Private investment funds | Level 1
Investments in securities:
Private	0		0			0
Private investment funds | Level 2
Investments in securities:
Private	0		0			0
Private investment funds | Level 3
Investments in securities:
Private	0		0			0
Private investment funds | Investments Measured at NAV
Investments in securities:
Private	$ 2,023		$ 2,023			$ 1,946

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