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INTANGIBLE FRANCHISE RIGHTS AND GOODWILL - Narrative (Details)
 12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Income Approach      
Countries and States      
Goodwill fair value approach 0.80    
Market Approach      
Countries and States      
Goodwill fair value approach 0.20    
Intangible Franchise Rights      
Countries and States      
Impairment of intangible assets $ 0 $ 20,700,000 $ 19,000,000
U.S.      
Countries and States      
Impairment of intangible assets   9,700,000  
Additions through acquisitions 161,200,000    
U.S. | Intangible Franchise Rights      
Countries and States      
Impairment of intangible assets     13,400,000
U.K.      
Countries and States      
Impairment of intangible assets   $ 11,100,000  
Additions through acquisitions $ 1,200,000    
U.K. | Intangible Franchise Rights      
Countries and States      
Impairment of intangible assets     $ 5,600,000