v3.26.3
SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
$ in Thousands, € in Millions
3 Months Ended 9 Months Ended
Aug. 17, 2026
USD ($)
shares
Nov. 10, 2025
USD ($)
Nov. 03, 2025
USD ($)
shares
Sep. 30, 2026
USD ($)
security
center
jointVenture
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
security
center
jointVenture
Sep. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Mar. 02, 2026
USD ($)
Mar. 02, 2026
EUR (€)
Dec. 31, 2025
USD ($)
security
Jul. 01, 2025
USD ($)
Jun. 02, 2025
USD ($)
product
customer
shares
Business Combination [Line Items]                          
Milestone contingent consideration       $ 11,600   $ 11,600              
Issuance of common stock in connection with acquisitions       $ 2,587 $ 110,721 2,587 $ 110,721            
Payments on contingent consideration and holdbacks           $ 2,198 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       10   10              
Management service fees       $ 7,500 $ 6,500 $ 22,900 $ 19,100            
Joint Venture Interest                          
Business Combination [Line Items]                          
Number ff diagnostic imaging centers | center       43   43              
See-Mode Technologies Pte. Ltd.                          
Business Combination [Line Items]                          
Milestone contingent consideration       $ 3,093   $ 3,093   $ 7,028     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
Payments on contingent consideration and holdbacks $ 2,200                        
Shares issued (in shares) | shares 34,069                        
Equity interest issued, value assigned $ 2,600                        
See-Mode Technologies Pte. Ltd. | Third Milestone Consideration                          
Business Combination [Line Items]                          
Milestone contingent consideration                         $ 4,200
Contingent consideration, expected milestone profitability, percent       75.00%   75.00%              
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       $ 500   $ 500   373     3,900 $ 8,000  
Kolb Radiology P.C. | Revenue risk premium                          
Business Combination [Line Items]                          
Key assumptions       0.022   0.022              
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       0.023   0.023              
CIMAR (UK) Limited                          
Business Combination [Line Items]                          
Milestone contingent consideration       $ 7,032   $ 7,032   6,761     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   0.28                      
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   0.023                      
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       $ 15,530   $ 15,530   $ 8,682 $ 8,600 € 15.0 $ 0    
Gleamer SAS | Revenue risk premium                          
Business Combination [Line Items]                          
Key assumptions       0.025   0.025              
Gleamer SAS | Revenue volatility                          
Business Combination [Line Items]                          
Key assumptions       0.19   0.19              
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       0.024   0.024