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Income Taxes - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Operating Loss Carryforwards [Line Items]    
Deferred income tax expense $ 0 $ 0
Valuation allowance increase 18,000,000 26,000,000
Uncertain tax positions 0 $ 0
Uncertain tax positions that would impact effective tax rate 0  
Foreign | Germany    
Operating Loss Carryforwards [Line Items]    
Net operating loss carryforwards 360,600,000  
Foreign | Australia    
Operating Loss Carryforwards [Line Items]    
Net operating loss carryforwards 5,600,000  
United States | Prior to 2018    
Operating Loss Carryforwards [Line Items]    
Net operating loss carryforwards 15,600,000  
United States | Post 2017    
Operating Loss Carryforwards [Line Items]    
Net operating loss carryforwards $ 89,900,000