ACQUISITIONS AND DISPOSITIONS - Schedule of preliminary allocation of the total consideration transferred to the acquired assets and assumed liabilities (Details) - Alaska communications $ in Thousands	Jul. 22, 2021 USD ($)
Business Acquisition [Line Items]
Consideration Transferred	$ 353,280
Noncontrolling interests	470
Total value to allocate	353,750
Purchase price allocation:
Cash and cash equivalents	10,553
Restricted cash	1,326
Short-term investments	434
Accounts receivable	30,453
Inventory, materials and supplies	1,374
Prepayments and other current assets	8,038
Fixed assets	408,694
Telecommunication licenses	683
Intangible assets	44,333
Operating lease right-of-use assets	60,402
Other assets	2,387
Accounts payable and accrued liabilities	(39,188)
Accrued taxes	(3,766)
Advance payments and deposits	(15,842)
Current portion of lease liabilities	(2,425)
Deferred income taxes	(17,040)
Lease liabilities, excluding current portion	(44,234)
Other liabilities	(92,432)
Net assets acquired	$ 353,750