Note 10 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Changes in Goodwill and Other Intangible Assets [Table Text Block]

	Net Balance at												Net Balance at
	December 31,												December 31,
	2016		Acquisitions		Dispositions			Impairment		Amortization			2017
Goodwill	$	485,318	$	125,782	$	-		$	-	$	-		$	611,100
Broadcast licenses		1,340,305	$	203,503		(13,105	)		-		-			1,530,703
Finite-lived intangible assets		56,250		42,606		-			-		(25,072	)		73,784
Total intangible assets net of accumulated amortization	$	1,881,873	$	371,891	$	(13,105	)	$	-	$	(25,072	)	$	2,215,587

	Net Balance at												Net Balance at
	December 31,												December 31,
	2015		Acquisitions		Dispositions			Impairment		Amortization			2016
Goodwill	$	423,236	$	72,296	$	(10,214	)	$	-	$	-		$	485,318
Broadcast licenses		1,114,626		251,035		(25,356	)		-		-			1,340,305
Finite-lived intangible assets		53,280		19,566		-			-		(16,596	)		56,250
Total intangible assets net of accumulated amortization	$	1,591,142	$	342,897	$	(35,570	)	$	-	$	(16,596	)	$	1,881,873

Schedule of Goodwill [Table Text Block]

	As of									As of
	December 31, 2016			Acquisitions		Dispositions		Impairment		December 31, 2017
Goodwill, gross	$	583,914		$	125,782	$	-	$	-	$	709,696
Accumulated goodwill impairment		(98,596	)		-		-		-		(98,596	)
Goodwill, net	$	485,318		$	125,782	$	-	$	-	$	611,100

	As of										As of
	December 31, 2015			Acquisitions		Dispositions			Impairment		December 31, 2016
Goodwill, gross	$	521,832		$	72,296	$	(10,214	)	$	-	$	583,914
Accumulated goodwill impairment		(98,596	)		-		-			-		(98,596	)
Goodwill, net	$	423,236		$	72,296	$	(10,214	)	$	-	$	485,318

Schedule of Intangible Assets and Goodwill [Table Text Block]

	As of December 31, 2017							As of December 31, 2016
			Accumulated							Accumulated
	Gross		Amortization			Net		Gross		Amortization			Net
Intangible assets not currently subject to amortization:
Broadcast licenses	$	1,584,402	$	(53,699	)	$	1,530,703	$	1,394,004	$	(53,699	)	$	1,340,305
Goodwill		611,100		-			611,100		485,318		-			485,318
	$	2,195,502	$	(53,699	)	$	2,141,803	$	1,879,322	$	(53,699	)	$	1,825,623
Intangible assets subject to amortization:
Network affiliation agreements	$	6,134	$	(3,551	)	$	2,583	$	1,264	$	(1,264	)	$	-
Other finite-lived intangible assets		143,446		(72,245	)		71,201		105,792		(49,542	)		56,250
	$	149,580	$	(75,796	)	$	73,784	$	107,056	$	(50,806	)	$	56,250
Total intangibles	$	2,345,082	$	(129,495	)	$	2,215,587	$	1,986,378	$	(104,505	)	$	1,881,873