Note 3 - Acquisitions and Divestitures - Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Jun. 30, 2019	May 01, 2019	Jan. 02, 2019	Dec. 31, 2018	Dec. 30, 2018
Cash		$ 116,000
Accounts receivable, net		248,000
Program broadcast rights		12,000
Other current assets		8,000
Property and equipment		321,000
Operating lease right of use asset		52,000
Goodwill	$ 1,452,000	839,000		$ 612,000	$ 612,000
Broadcast licenses		2,028,000
Other intangible assets		501,000
Other non-current assets		22,000
Accrued compensation and benefits		(29,000)
Program broadcast obligations		(16,000)
Other current liabilities		(60,000)
Income taxes payable		(12,000)
Deferred income taxes		(462,000)
Operating lease liabilities		(52,000)
Other long-term liabilities		(25,000)
Total		3,491,000
Raycom [Member]
Cash			$ 116,000
Accounts receivable, net			245,000
Program broadcast rights			12,000
Other current assets			8,000
Property and equipment			311,000
Operating lease right of use asset			52,000
Goodwill			836,000
Broadcast licenses			2,004,000
Other intangible assets			493,000
Other non-current assets			22,000
Accrued compensation and benefits			(29,000)
Program broadcast obligations			(16,000)
Other current liabilities			(60,000)
Income taxes payable			(12,000)
Deferred income taxes			(462,000)
Operating lease liabilities			(52,000)
Other long-term liabilities			(25,000)
Total	$ 3,443,000		$ 3,443,000
United Acquisition [Member]
Cash		0
Accounts receivable, net		3,000
Program broadcast rights		0
Other current assets		0
Property and equipment		10,000
Operating lease right of use asset		0
Goodwill		3,000
Broadcast licenses		24,000
Other intangible assets		8,000
Other non-current assets		0
Accrued compensation and benefits		0
Program broadcast obligations		0
Other current liabilities		0
Income taxes payable		0
Deferred income taxes		0
Operating lease liabilities		0
Other long-term liabilities		0
Total		$ 48,000