v3.26.1
SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
$ in Thousands, € in Millions
3 Months Ended 6 Months Ended
Nov. 10, 2025
USD ($)
Nov. 03, 2025
USD ($)
shares
Jun. 30, 2026
USD ($)
jointVenture
security
center
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
jointVenture
security
center
Jun. 30, 2025
USD ($)
Mar. 31, 2026
USD ($)
Mar. 02, 2026
USD ($)
Mar. 02, 2026
EUR (€)
Dec. 31, 2025
USD ($)
security
Jul. 01, 2025
USD ($)
Jun. 02, 2025
USD ($)
customer
product
shares
Business Combination [Line Items]                        
Milestone contingent consideration     $ 11,600   $ 11,600              
Issuance of common stock in connection with acquisitions         $ 0              
Number of securities without readily determinable fair value | security     7   7         7    
Book value of RadNet joint venture interests     $ 16,800   $ 16,800         $ 16,800    
Number of unconsolidated joint ventures | jointVenture     12   12              
Number of centers | center     442   442              
Management service fees     $ 7,900 $ 6,500 $ 15,300 $ 12,600            
Joint Venture Interest                        
Business Combination [Line Items]                        
Number ff diagnostic imaging centers | center     50   50              
See-Mode Technologies Pte. Ltd.                        
Business Combination [Line Items]                        
Milestone contingent consideration     $ 7,028   $ 7,028   $ 6,962     5,329   $ 12,700
See-Mode Technologies Pte. Ltd. | First Milestone Consideration                        
Business Combination [Line Items]                        
Milestone contingent consideration                       $ 4,300
Number of ultrasound detection product implemented | product                       4
Number of customer contracts executed | customer                       2
Issuance of common stock in connection with acquisitions (in shares) | shares   27,673                    
Issuance of common stock in connection with acquisitions   $ 2,100                    
Payments on contingent consideration and holdbacks   $ 2,200                    
See-Mode Technologies Pte. Ltd. | First Milestone Consideration | New Customer Contracts                        
Business Combination [Line Items]                        
Milestone contingent consideration                       $ 150
See-Mode Technologies Pte. Ltd. | Second Milestone Consideration                        
Business Combination [Line Items]                        
Milestone contingent consideration                       4,200
Contingent consideration, expected milestone profitability, percent     90.00%   90.00%              
See-Mode Technologies Pte. Ltd. | Third Milestone Consideration                        
Business Combination [Line Items]                        
Milestone contingent consideration                       $ 4,200
Contingent consideration, expected milestone profitability, percent     80.00%   80.00%              
See-Mode Technologies Pte. Ltd. | Contingent Milestone Consideration                        
Business Combination [Line Items]                        
Additional number of shares issued (in shares) | shares                       0.50
Kolb Radiology P.C.                        
Business Combination [Line Items]                        
Milestone contingent consideration     $ 373   $ 373   4,100     3,900 $ 8,000  
Kolb Radiology P.C. | Revenue risk premium                        
Business Combination [Line Items]                        
Key assumptions     0.023   0.023              
Kolb Radiology P.C. | Revenue volatility                        
Business Combination [Line Items]                        
Key assumptions     0.15   0.15              
Kolb Radiology P.C. | Operational leverage ratio                        
Business Combination [Line Items]                        
Key assumptions     0.50   0.50              
Kolb Radiology P.C. | Credit spread                        
Business Combination [Line Items]                        
Key assumptions     0.020   0.020              
CIMAR (UK) Limited                        
Business Combination [Line Items]                        
Milestone contingent consideration     $ 6,761   $ 6,761   6,616     5,753    
Payments on contingent consideration and holdbacks $ 15,100                      
CIMAR (UK) Limited | Revenue risk premium                        
Business Combination [Line Items]                        
Key assumptions 0.024                      
CIMAR (UK) Limited | Revenue volatility                        
Business Combination [Line Items]                        
Key assumptions 0.25                      
CIMAR (UK) Limited | Operational leverage ratio                        
Business Combination [Line Items]                        
Key assumptions 0.60                      
CIMAR (UK) Limited | Credit spread                        
Business Combination [Line Items]                        
Key assumptions 0.02                      
CIMAR (UK) Limited | First Milestone Consideration                        
Business Combination [Line Items]                        
Payable benchmark percentage 90.00%                      
Payable in cash, benchmark percentage 50.00%                      
Payable in common stock, benchmark percentage 50.00%                      
CIMAR (UK) Limited | First Milestone Consideration | Minimum                        
Business Combination [Line Items]                        
Payments, benchmark percentage 90.00%                      
CIMAR (UK) Limited | First Milestone Consideration | Maximum                        
Business Combination [Line Items]                        
Payments, benchmark percentage 100.00%                      
CIMAR (UK) Limited | Second Milestone Consideration                        
Business Combination [Line Items]                        
Payable benchmark percentage 90.00%                      
Payable in cash, benchmark percentage 50.00%                      
Payable in common stock, benchmark percentage 50.00%                      
CIMAR (UK) Limited | Second Milestone Consideration | Minimum                        
Business Combination [Line Items]                        
Payments, benchmark percentage 90.00%                      
CIMAR (UK) Limited | Second Milestone Consideration | Maximum                        
Business Combination [Line Items]                        
Payments, benchmark percentage 100.00%                      
Gleamer SAS                        
Business Combination [Line Items]                        
Milestone contingent consideration     $ 8,682   $ 8,682   $ 8,424 $ 8,600 € 15.0 $ 0    
Gleamer SAS | Revenue risk premium                        
Business Combination [Line Items]                        
Key assumptions     0.03   0.03              
Gleamer SAS | Revenue volatility                        
Business Combination [Line Items]                        
Key assumptions     0.18   0.18              
Gleamer SAS | Operational leverage ratio                        
Business Combination [Line Items]                        
Key assumptions     0.75   0.75              
Gleamer SAS | Credit spread                        
Business Combination [Line Items]                        
Key assumptions     0.03   0.03