XML 41 R30.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 2 - Acquisitions (Details Textual) - USD ($)
3 Months Ended
Jan. 17, 2017
Jan. 13, 2017
Mar. 31, 2017
Dec. 31, 2016
Goodwill     $ 571,708,000 $ 485,318,000
Fairbanks Acquistion [Member]        
Payments to Acquire Businesses, Gross   $ 8,000,000    
Goodwill     471,000  
Green Bay Acquisition and Davenport Acquisition [Member]        
Business Combination, Consideration Transferred $ 269,900,000      
Goodwill     85,919,000  
2017 Acquisitions [Member]        
Goodwill 86,400,000   86,390,000  
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual     10,900,000  
Business Acquisition, Operating Income (Loss) from Continuing Operations Before Changes in Accounting and Extraordinary Items, Net of Tax     2,800,000  
Business Combination, Acquisition Related Costs     $ 600,000  
2017 Acquisitions [Member] | Retransmission Agreements [Member]        
Finite-Lived Intangible Assets, Gross $ 13,800,000      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 5 years      
2017 Acquisitions [Member] | Income Leases [Member]        
Finite-Lived Intangible Assets, Gross $ 1.50      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 13 years 146 days      
2017 Acquisitions [Member] | Minimum [Member]        
Property, Plant and Equipment, Useful Life     3 years  
2017 Acquisitions [Member] | Maximum [Member]        
Property, Plant and Equipment, Useful Life     40 years