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REVENUE RECOGNITION AND RECEIVABLES - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Contract Assets and Liabilities
Contract asset - current	$ 3,774	$ 3,920
Change in contract asset - current	$ (146)
% of change in contract asset - current	(3.70%)
Contract asset - noncurrent	$ 4,090	5,368
Change in contract asset - noncurrent	$ (1,278)
% of change in contract asset - noncurrent	(23.80%)
Contract liability- current	$ (29,164)	(28,932)
Change in contract liabilities - current	$ (232)
% of change in contract liabilities - current	0.80%
Contract liability- noncurrent	$ (53,471)	(55,116)
Change in contract liabilities - noncurrent	$ 1,645
% of change in contract liabilities - Noncurrent	(3.00%)
Net contract liability	$ (74,771)	$ (74,760)
Change in net contract liability	$ (11)
% of change in net contract liability	0.00%
Revenue recognized related to contract liability	$ 18,300
Retail revenue period for billing postpaid customers in advance	1 month
Amortization of contract assets	$ 1,100

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- Definition

Represents the amortization of contract assets into revenue.

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Amount of increase (decrease) in revenue recognized for current cumulative catch-up adjustment from the timing of customer prepayments and contract billings which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time net of amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from the timing of customer prepayments and contract billings which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Amount of increase (decrease) in revenue recognized for noncurrent cumulative catch-up adjustment from the timing of customer prepayments and contract billings which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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- Definition

Represents the percentage of change in current contract with customers assets.

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Represents the percentage of change in noncurrent contract with customers assets.

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Represents the percentage of change in contract with customers liabilities current.

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Represents the percentage of change in contract with customers net assets liabilities.

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- Definition

Represents the period for billing postpaid customers in advance for retail revenue.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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