LEASES - Components of Lease Expense and Payments (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 6,780	$ 6,074	$ 12,854	$ 11,981
Short-term lease cost	1,406	1,302	3,067	2,633
Variable lease cost	1,288	1,819	2,891	3,774
Total operating lease cost	9,474	9,195	18,812	18,388
Finance lease cost:
Amortization of right-of-use asset	574	1,901	1,149	3,780
Variable costs	87	134	195	422
Interest costs	77	85	157	174
Total finance lease cost	738	$ 2,120	1,501	4,376
Payments for lease liabilities			11,300	13,200
Lease liabilities arising from right of use assets			51,000	13,100
Finance leases cost included in fixed assets, gross	23,000		23,000		$ 24,200
Principal payments, finance lease liabilities			376	974
Operating cash flows for finance lease liabilities			200	$ 200
Finance lease liability	3,474		3,474		$ 3,848
Finance lease liability, current	$ 800		800
Tower portfolio \| Held-for-sale
Finance lease cost:
Lease liabilities arising from right of use assets			$ 43,800

Amount of finance lease, variable costs.

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Amount of increase in operating and finance lease liability in exchange for right-of-use asset.

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Amount of lease cost recognized by lessee for finance lease contract.

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Amount of lease cost recognized by lessee for operating lease contract.

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Amount of interest expense on finance lease liability.

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Amount of interest paid on finance lease liability.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

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Amount of cash outflow for principal payment on finance lease.

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Amount of amortization expense attributable to right-of-use asset from finance lease.

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Amount, before accumulated amortization, of right-of-use asset from finance lease.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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