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Note 10 - Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
December 31, 2020   Gross        
    carrying   Accumulated    
    amount   amortization   Net
             
Customer relationships   $
403,976
    $
103,884
    $
300,092
 
Franchise rights    
49,925
     
29,930
     
19,995
 
Trademarks and trade names    
29,765
     
20,051
     
9,714
 
Management contracts and other    
94,514
     
45,553
     
48,961
 
    $
578,180
    $
199,418
    $
378,762
 
    Gross        
December 31, 2019  
carrying
 
Accumulated
 
 
   
amount
 
amortization
 
Net
             
Customer relationships   $
360,228
 
  $
71,474
 
  $
288,754
 
Franchise rights    
49,806
 
   
26,707
 
   
23,099
 
Trademarks and trade names    
30,303
 
   
18,543
 
   
11,760
 
Management contracts and other    
79,073
 
   
36,462
 
   
42,611
 
    $
519,410
 
  $
153,186
 
  $
366,224
 
Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]
        Estimated
        weighted
        average
        amortization
    Amount   period (years)
         
Customer relationships   $
43,665
     
10.0
 
Trademarks and trade names    
310
     
2.0
 
Management Contracts and other    
13,907
     
10.0
 
    $
57,882
     
10.0
 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
  2021     $
42,298
 
  2022      
40,823
 
  2023      
39,373
 
  2024      
37,534
 
  2025      
36,759