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EQUITY INVESTMENTS - Equity Method Investment Income (Losses) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Jun. 30, 2024
Gain (Loss) on Securities [Line Items]
Equity method investment income (loss), net	$ (56,990)	$ (22,036)
Gain on sale of equity investment	3,199	0
MBI
Gain (Loss) on Securities [Line Items]
Finite-lived intangible assets, basis difference between fair value and carrying value	186,600
Equity Method Investments
Gain (Loss) on Securities [Line Items]
Mark-to-market adjustments	58	46
MBI Net Option
Gain (Loss) on Securities [Line Items]
MBI Net Option fair value adjustment	0	(7,200)
MBI Net Option, New MBI
Gain (Loss) on Securities [Line Items]
MBI Net Option fair value adjustment	(4,670)	0
Clearwave Fiber
Gain (Loss) on Securities [Line Items]
Equity method investment income (loss), net	(54,851)	(21,721)
Non-cash impairment charge	28,000
MBI
Gain (Loss) on Securities [Line Items]
Equity method investment income (loss), net	(3,544)	$ (315)
Finite-lived intangible assets, basis difference between fair value and carrying value	$ 84,000
Equity method investment, ownership percentage (in percent)	45.00%	45.00%	45.00%
(Loss) income from equity method investments before amortization	$ (1,500)	$ 2,200
Amortization of basis difference	2,100	2,500
MBI | MBI Net Option
Gain (Loss) on Securities [Line Items]
MBI Net Option fair value adjustment	0	(7,200)
MBI | MBI Net Option, New MBI
Gain (Loss) on Securities [Line Items]
MBI Net Option fair value adjustment	(4,670)	0
Nextlink
Gain (Loss) on Securities [Line Items]
Equity method investment income (loss), net	$ 1,405	$ 0
Equity method investment, ownership percentage (in percent)	22.00%		22.00%	22.00%

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