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INCOME TAXES - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Apr. 13, 2020
Apr. 15, 2016
Dec. 31, 2025
Dec. 31, 2024
Tax Credit Carryforward [Line Items]        
Change in valuation allowance     $ (52.0) $ 50.6
Unrecognized tax benefits       3.1
Unrecognized tax benefits, increase resulting from prior period tax positions       2.0
Unrecognized tax benefits, increase resulting from current period tax positions     0.1 1.1
Income taxes paid     7.2 $ 0.0
Federal        
Tax Credit Carryforward [Line Items]        
Net operating loss carryforwards     159.1  
Operating loss carryforward, written off   $ 0.3 14.0  
Federal | Research and Development Tax Credit        
Tax Credit Carryforward [Line Items]        
Tax credit carryforwards     0.3  
State        
Tax Credit Carryforward [Line Items]        
Net operating loss carryforwards     27.9  
Operating loss carryforward, written off $ 0.3   169.4  
State | Research and Development Tax Credit        
Tax Credit Carryforward [Line Items]        
Tax credit carryforwards     0.1  
Operating loss carryforward, written off     5.9  
Australia        
Tax Credit Carryforward [Line Items]        
Income taxes paid     4.9  
UNITED STATES        
Tax Credit Carryforward [Line Items]        
Income taxes paid     $ 2.3