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Fair Value Measurements - Narrative (Details) - USD ($)
shares in Millions
1 Months Ended
May 31, 2022
Aug. 31, 2021
Sep. 24, 2022
Dec. 31, 2021
Discontinued Operations, Disposed of by Sale | Lumber and Newsprint Facilities        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Equity interests to be received (in shares)   28.7    
Equity interests received, required holding period   6 months    
GreenFirst        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Sale of shares of equity securities (in shares) 28.7      
Proceeds from sale of equity securities $ 43,000,000      
Money market and similar funds | Level 1        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Cash and cash equivalents     $ 34,000,000 $ 0