Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) - Carrying Amounts and Classification of Assets and Liabilities of VIE (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash	$ 30,769	$ 13,478	$ 11,067	$ 5,190
Accounts receivable	106,692	70,047
Prepaid and other current assets	2,223	5,293
Total current assets	168,304	130,587
Property and equipment, net	221,811	143,621
Deferred loan costs, net	18,651	17,293
Broadcast licenses	1,023,580	838,982
Total assets	0	6,800
Current liabilities:
Accounts payable	4,613	2,256
Employee compensation and benefits	25,160	16,759
Accrued interest	17,623	12,703
Current portion of long-term debt		224
Total current liabilities	80,022	63,085
Long-term debt, less current portion	1,236,401	842,650
Total liabilities	0	3,100
Variable Interest Entity, Primary Beneficiary [Member]
Current assets:
Cash		473
Accounts receivable		524
Current portion of program broadcast rights, net		42
Prepaid and other current assets		7
Total current assets		1,046
Property and equipment, net		883
Deferred loan costs, net		174
Broadcast licenses		4,161
Other intangible assets, net		575
Total assets		6,839
Current liabilities:
Accounts payable		14
Employee compensation and benefits		8
Accrued interest		2
Other accrued expenses		13
Accrued expenses due to Gray		651
Current portion of program broadcast obligations		45
Current portion of long-term debt		200
Total current liabilities		933
Long-term debt, less current portion		2,800
Other long-term liabilities		3,106
Total liabilities		$ 6,839