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Note 6 - Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
December 31, 2016   Gross
carrying
amount
  Accumulated
amortization
  Net
             
Customer lists and relationships   $
104,258
    $
34,161
    $
70,097
 
Franchise rights    
39,137
     
17,230
     
21,907
 
Trademarks and trade names    
26,069
     
11,825
     
14,244
 
Management contracts and other    
36,515
     
21,648
     
14,867
 
    $
205,979
    $
84,864
    $
121,115
 
December 31, 2015   Gross
carrying
amount
  Accumulated
amortization
  Net
             
Customer lists and relationships   $
75,279
    $
28,816
    $
46,463
 
Franchise rights    
36,539
     
15,195
     
21,344
 
Trademarks and trade names    
22,002
     
11,147
     
10,855
 
Management contracts and other    
16,648
     
15,832
     
816
 
    $
150,468
    $
70,990
    $
79,478
 
Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]
    Amount   Estimated
weighted
average
amortization
period (years)
         
Customer lists and relationships   $
32,322
     
17.8
 
Franchise rights    
2,449
     
5.2
 
Trademarks and trade names    
4,615
     
5.5
 
Management Contracts and other    
15,052
     
14.8
 
    $
54,438
     
15.3
 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
2017   $
12,974
 
2018    
12,179
 
2019    
11,887
 
2020    
11,337
 
2021    
9,422