Note 7 - Significant Components of Deferred Tax Liabilities and Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred tax liabilities:
Net book value of property and equipment	$ 20,986	$ 20,195
Broadcast licenses, goodwill and other intangibles	350,647	341,654
Total deferred tax liabilities	371,633	361,849
Deferred tax assets:
Liability for accrued vacation	2,172	1,900
Liability for accrued bonus	4,786	3,440
Loan acquisition costs	391	447
Allowance for doubtful accounts	700	572
Liability under health and welfare plan	1,108	1,111
Liability for pension plan	14,172	16,900
Federal operating loss carryforwards	38,466	55,425
State and local operating loss carryforwards	5,867	7,102
Alternative minimum tax carryforwards	386	386
Unearned income	73	214
Stock options	163	119
Acquisition costs	1,129	776
Restricted stock	1,875	1,479
Other	172	206
Total deferred tax assets	71,460	90,077
Valuation allowance for deferred tax assets	(1,683)	(2,052)
Net deferred tax assets	69,777	88,025
Deferred tax liabilities, net of deferred tax assets	$ 301,856	$ 273,824