Note 4 - Operating Assets and Liabilities - Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands		Mar. 31, 2021	Dec. 31, 2020
Interest payable		$ 11,096	$ 4,128
Amount due to Hargray(2)	[1]	3,454	6,822
Total accounts payable and accrued liabilities		175,281	174,139
Accounts Payable and Accrued Liabilities [Member]
Accounts payable		26,588	22,686
Accrued programming costs		21,330	20,279
Accrued compensation and related benefits		18,698	26,467
Accrued sales and other operating taxes		6,767	7,425
Accrued franchise fees		3,243	4,021
Deposits		6,441	6,300
Operating lease liabilities		4,473	3,772
Interest rate swap liability		30,504	30,646
Accrued insurance costs		7,148	7,292
Cash overdrafts		6,279	8,847
Equity investment payable(1)	[2]	13,387	13,387
All other accrued liabilities		$ 15,873	$ 12,067

[1] Consists of amounts due to Hargray in connection with transition services provided as part of the Anniston Exchange (as defined in note 5). Refer to note 5 for details on this transaction.

[2] Consists of the unfunded portion of the Company’s equity investment in Wisper ISP, LLC (“Wisper”). Refer to note 5 for details on this transaction.