v3.26.1
Segment Information - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Segment Reporting [Line Items]            
Revenues $ 257,478 $ 241,570 $ 502,156 $ 472,900    
Cost of Services ("COS")            
Costs of services (exclusive of depreciation and amortization of intangible assets shown below) 67,667 60,823 136,747 121,259    
General and Administrative ("G&A")            
General and Administrative Expenses 55,389 51,118 113,219 98,086    
Depreciation 24,796 25,261 49,979 49,807    
Amortization of intangible assets 85,908 85,971 171,816 171,942    
Loss on disposal of leases 252 1,689 290 5,006    
Loss on disposal of assets 57 130 57 480    
Total expenses 234,069 224,992 472,108 446,580    
Operating income 23,409 16,578 30,048 26,320    
Interest expense 100,253 99,746 199,795 191,382    
Interest income (195) (323) (377) (811)    
Transaction costs related to refinancing transaction 0 87 0 7,879 $ 8,000 $ 63,900
Loss on extinguishment of debt 0 0 0 670    
Net loss before taxes (76,649) (82,932) (169,370) (172,800)    
Benefit for income taxes (17,423) (20,292) (36,584) (38,841)    
Net loss (59,226) (62,640) (132,786) (133,959)    
Less: net loss attributable to non-controlling interests 0 0 0 0    
Net loss attributable to Claritev Corporation (59,226) (62,640) (132,786) (133,959)    
Reportable Segment            
Segment Reporting [Line Items]            
Revenues 257,478 241,570 502,156 472,900    
Cost of Services ("COS")            
Personnel expenses excluding stock-based compensation 52,576 46,084 103,931 93,963    
Stock-based compensation, including cRSUs 3,108 2,518 5,494 4,295    
Access and bill review fees 4,796 6,713 13,666 12,221    
Other cost of service expenses 7,187 5,508 13,656 10,780    
Costs of services (exclusive of depreciation and amortization of intangible assets shown below) 67,667 60,823 136,747 121,259    
General and Administrative ("G&A")            
Personnel expenses excluding stock-based compensation 16,512 18,307 28,244 35,075    
Stock-based compensation, including cRSUs 6,422 6,580 9,864 11,521    
Transformation costs 9,250 7,925 21,040 15,653    
Other general and administrative expenses 23,205 18,306 54,071 35,837    
General and Administrative Expenses 55,389 51,118 113,219 98,086    
Depreciation 24,796 25,261 49,979 49,807    
Amortization of intangible assets 85,908 85,971 171,816 171,942    
Total expenses 234,069 224,992 472,108 446,580    
Operating income 23,409 16,578 30,048 26,320    
Interest expense 100,253 99,746 199,795 191,382    
Interest income (195) (323) (377) (811)    
Transaction costs related to refinancing transaction 0 87 0 7,879    
Loss on extinguishment of debt 0 0 0 670    
Net loss before taxes (76,649) (82,932) (169,370) (172,800)    
Benefit for income taxes (17,423) (20,292) (36,584) (38,841)    
Net loss (59,226) (62,640) (132,786) (133,959)    
Less: net loss attributable to non-controlling interests 0 0 0 0    
Net loss attributable to Claritev Corporation $ (59,226) $ (62,640) $ (132,786) $ (133,959)