v3.26.1
Revenue Recognition - Percentage of Sales by Major Product Lines (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Product Line        
Percentage of sales by major product lines 100.00% 100.00% 100.00% 100.00%
Carbon Steel Flat [Member]        
Product Line        
Percentage of sales by major product lines 32.00% 28.00% 31.00% 28.00%
Carbon Steel Plate [Member]        
Product Line        
Percentage of sales by major product lines 10.00% 10.00% 10.00% 9.00%
Carbon Steel Long [Member]        
Product Line        
Percentage of sales by major product lines 12.00% 12.00% 12.00% 12.00%
Stainless Steel Flat [Member]        
Product Line        
Percentage of sales by major product lines 14.00% 14.00% 14.00% 14.00%
Stainless Steel Plate [Member]        
Product Line        
Percentage of sales by major product lines 4.00% 5.00% 4.00% 5.00%
Stainless Steel Long [Member]        
Product Line        
Percentage of sales by major product lines 4.00% 5.00% 4.00% 5.00%
Aluminum Flat [Member]        
Product Line        
Percentage of sales by major product lines 14.00% 16.00% 14.00% 16.00%
Aluminum Plate [Member]        
Product Line        
Percentage of sales by major product lines 3.00% 3.00% 3.00% 4.00%
Aluminum Long [Member]        
Product Line        
Percentage of sales by major product lines 5.00% 6.00% 5.00% 6.00%
Other [Member]        
Product Line        
Percentage of sales by major product lines 2.00% 1.00% 3.00% 1.00%