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EARNINGS PER SHARE AND REDEEMABLE NONCONTROLLING INTERESTS - Redeemable Noncontrolling Interests Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Reconciliation from basic to diluted weighted average common shares outstanding
Redeemable units	$ 84,328	$ 75,083	$ 84,328	$ 75,083	$ 76,303	$ 85,917
Redeemable Common Units
Reconciliation from basic to diluted weighted average common shares outstanding
Allocated losses	2,500	7,900	11,200	14,100
Redeemable units	14,101	$ 10,835	14,101	$ 10,835	10,599	$ 25,823
Redeemable Common Units | Alloy Inc
Reconciliation from basic to diluted weighted average common shares outstanding
Redeemable units	14,100		14,100		10,600
Redeemable Common Units | Alaska Communications
Reconciliation from basic to diluted weighted average common shares outstanding
Fair value of units	$ 0		$ 0		$ 0

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Fair value portion of shares that an entity is required to redeem for cash or other assets at a fixed or determinable date or upon the occurrence of an event.

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Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

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