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FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Gateway    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Contingent consideration liability   $ 2.1
Level 3 | Measurement Input, Expected Term | Sividon    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement period for earn out liability 11 years 9 months  
Level 3 | Measurement Input, Expected Term | Gateway    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement period for earn out liability 1 year 6 months  
Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Estimated fair value of long-term debt $ 39.8