Quarterly report pursuant to Section 13 or 15(d)

RELATED PARTY TRANSACTIONS (Details)

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RELATED PARTY TRANSACTIONS (Details) - USD ($)
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
RELATED PARTY TRANSACTIONS      
Right of use asset $ 28,678,000   $ 29,724,000
Lease liability 29,816,000    
Affiliated Entity | Lightforce Orthodontics      
RELATED PARTY TRANSACTIONS      
Accounts receivable, related parties 200,000    
Revenues 200,000 $ 400,000  
Affiliated Entity | Viewray Systems      
RELATED PARTY TRANSACTIONS      
Revenues 3,400,000    
Affiliated Entity | Bloom Energy      
RELATED PARTY TRANSACTIONS      
Revenues 0 0  
Affiliated Entity | Other Acquisitions with Related Parties      
RELATED PARTY TRANSACTIONS      
Right of use asset 3,600,000    
Lease liability 3,600,000    
Lease expense paid 200,000 $ 200,000  
Annual commitment $ 800,000