v3.26.1
BUSINESS SEGMENTS - Schedule of Segment Reporting Information by Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]        
Net Sales $ 209,764 $ 172,963 $ 390,754 $ 332,133
Sales 216,236 179,116 402,725 343,853
Plant shutdowns, asset impairments, restructurings and other 366 56 588 1,224
Interest income 18 6 29 11
Interest expense 465 1,785 824 2,798
Corporate expenses, net 6,303 6,024 11,139 13,804
Income (loss) from continuing operations before income taxes 7,778 2,812 13,880 4,060
Income tax expense (benefit) 1,731 984 2,763 1,560
Net income (loss) from continuing operations 6,047 1,828 11,117 2,500
Income (loss) from discontinued operations, net of tax (30) (97) 561 9,332
Net income (loss) 6,017 1,731 11,678 11,832
Aluminum Extrusions        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]        
Net Sales 184,129 148,367 343,586 281,999
Variable costs 146,596 116,059 273,929 219,582
Manufacturing fixed costs 12,340 11,760 24,139 22,973
Selling, general and administrative costs 11,028 10,129 19,933 19,541
Other (345) 1,136 (607) 1,462
EBITDA from ongoing operations 14,510 9,283 26,192 18,441
High Performance Films        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]        
Net Sales 25,635 24,596 47,168 50,134
Variable costs 13,385 11,688 23,807 23,664
Manufacturing fixed costs 3,652 3,243 7,123 6,702
Selling, general and administrative costs 2,857 2,867 5,450 5,459
Other (39) 87 (66) 76
EBITDA from ongoing operations 5,780 6,711 10,854 14,233
Subtotal        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]        
Variable costs 159,981 127,747 297,736 243,246
Manufacturing fixed costs 15,992 15,003 31,262 29,675
Selling, general and administrative costs 13,885 12,996 25,383 25,000
Other (384) 1,223 (673) 1,538
EBITDA from ongoing operations 20,290 15,994 37,046 32,674
Depreciation and amortization 5,396 5,323 10,644 10,799
Freight        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]        
Add back freight $ 6,472 $ 6,153 $ 11,971 $ 11,720