v3.26.3
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
segment
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Product Information [Line Items]          
Number of operating segments | segment     1    
Number of reporting segments | segment     1    
Cash and cash equivalents $ 700,617   $ 700,617   $ 398,866
Property, plant, and equipment, gross 157,800   157,800   110,000
Accumulated depreciation (33,500)   (33,500)   (22,100)
Depreciation expense 4,600 $ 3,000 12,000 $ 8,200  
Equity securities without readily determinable fair value, amount 17,000   17,000   17,000
Advertising expense 91,600 $ 87,400 272,400 $ 223,300  
North America          
Product Information [Line Items]          
Long-lived assets 132,100   132,100   97,200
Non-North America          
Product Information [Line Items]          
Long-lived assets $ 10,800   $ 10,800   $ 9,000
Cash and Cash Equivalents | Geographic Concentration Risk | Non-US          
Product Information [Line Items]          
Concentration risk (as a percent)     29.00%   51.90%
Functional Energy Drinks | Revenue Benchmark | Product Concentration Risk          
Product Information [Line Items]          
Concentration risk (as a percent) 96.10% 95.00% 95.70% 94.10%