v3.25.2
Commitments and Contingencies - Recycling Operations - Recycling Operations (Details)
$ in Thousands
1 Months Ended 9 Months Ended 216 Months Ended
Dec. 01, 2017
Feb. 28, 2021
Apr. 30, 2020
USD ($)
Jan. 31, 2017
USD ($)
Potentially_responsible_party
May 31, 2025
USD ($)
Dec. 31, 2017
USD ($)
Potentially_responsible_party
Aug. 31, 2024
USD ($)
Jan. 30, 2017
Party
Loss Contingencies [Line Items]                
Accrual for Environmental Loss Contingencies         $ 64,593   $ 65,649  
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]         Accrued Environmental Loss Contingencies, Current, Accrued Environmental Loss Contingencies, Noncurrent      
Liabilities Established         $ 412      
Portland Harbor Superfund Site                
Loss Contingencies [Line Items]                
Accrual for Environmental Loss Contingencies         5,000   5,000  
Number Of Other Potentially Responsible Parties Signing Settlement Agreement and Order on Consent | Potentially_responsible_party           3    
Number of Years for Pre-Remedial Design 2 years              
Number Of Potentially Responsible Parties Joining Allocation Process | Potentially_responsible_party       100        
Portland Harbor Superfund Site | Minimum                
Loss Contingencies [Line Items]                
Percentage of area require active clean up in remedial design phase   100.00%            
Portland Harbor Superfund Site - River Mile 3.5                
Loss Contingencies [Line Items]                
Site contingency expected completion term for remedial design     4 years          
Site contingency EPA estimated completion cost for remedial design     $ 4,000          
Portland Harbor Superfund Site - NRD                
Loss Contingencies [Line Items]                
Accrual for Environmental Loss Contingencies         $ 2,000   $ 2,000  
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]         Accrued Environmental Loss Contingencies, Noncurrent   Accrued Environmental Loss Contingencies, Noncurrent  
Parties named in Litigation | Party               30
Portland Harbor Superfund Site - NRD | Other Noncurrent Assets                
Loss Contingencies [Line Items]                
Insurance receivable         $ 2,000   $ 2,000  
Lower Willamette Group | Portland Harbor Superfund Site | Minimum                
Loss Contingencies [Line Items]                
Remedial Investigation and Feasibility Study Costs           $ 155,000    
Potential Responsible Parties | Portland Harbor Superfund Site                
Loss Contingencies [Line Items]                
Estimated Cost of Selected Remedy Undiscounted       $ 1,700,000        
Estimated Cost of Selected Remedy Discounted       $ 1,050,000        
Estimated Cost of Selected Remedy, Discount Rate       7.00%        
Site Contingency, Estimated Construction Time Frame       13 years        
Potential Responsible Parties | Portland Harbor Superfund Site | Minimum                
Loss Contingencies [Line Items]                
Estimated Cost of Selected Remedy, Range       50.00%        
Potential Responsible Parties | Portland Harbor Superfund Site | Maximum                
Loss Contingencies [Line Items]                
Estimated Cost of Selected Remedy, Range       (30.00%)