v3.26.1
Derivatives and Fair Value Measurements - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Derivatives Fair Value [Line Items]      
Derivative asset, subject to master netting arrangement, after offset $ 12,900,000 $ 12,900,000 $ 9,400,000
Assets held for sale 0 0 $ 5,500,000
Impairment charges 500,000 900,000  
Olympic Steel Merger [Member] | Supplemental Executive Retirement Plan ("SERP") [Member]      
Derivatives Fair Value [Line Items]      
Assets acquired $ 25,100,000 $ 25,100,000  
Minimum [Member]      
Derivatives Fair Value [Line Items]      
General term for commodity and exchange contracts   1 month  
Maximum [Member]      
Derivatives Fair Value [Line Items]      
General term for commodity and exchange contracts   12 months