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Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Schedule of intangible assets    
Intangible assets, gross carrying amount $ 387,258 $ 387,269
Accumulated Amortization (232,280) (221,145)
Total acquired intangible assets, Net carrying amount 154,978 166,124
Net Carrying Amount 109,778  
Trade names    
Schedule of intangible assets    
Indefinite lived intangible assets 45,200 45,200
Facility management contracts    
Schedule of intangible assets    
Gross Carrying Amount 308,358 308,369
Accumulated Amortization (199,691) (189,163)
Net Carrying Amount $ 108,667 119,206
Amortization period 16 years 3 months 18 days  
Technology    
Schedule of intangible assets    
Gross Carrying Amount $ 33,700 33,700
Accumulated Amortization (32,589) (31,982)
Net Carrying Amount $ 1,111 $ 1,718
Amortization period 7 years 3 months 18 days