DIVESTITURES - Major Classes of Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jan. 31, 2022	Dec. 31, 2021
Major classes of assets and liabilities
Current assets	$ 92,822		$ 26,052
Current liabilities	4,611		$ 97
Disposal Group, Held-for-sale, Not Discontinued Operations | Kansas City operations
Major classes of assets and liabilities
Current assets	3,158
Property, plant and equipment	135,937
Goodwill	83,673
Other long-term assets	1,752
Impairment to net realizable value	(131,698)
Total assets	92,822
Current liabilities	3,477
Other long-term liabilities	1,134
Total liabilities	$ 4,611
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Assets of non-core, rural ILEC business located in Ohio
Major classes of assets and liabilities
Current assets		$ 106
Property, plant and equipment		9,584
Goodwill		16,327
Total assets		26,017
Current liabilities		102
Other long-term liabilities		6
Total liabilities		$ 108