v3.26.3
Business Segments - Schedule of Financial Information for Corporation's Reportable Segments (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net sales $ 111,699 $ 108,009 $ 322,944 $ 325,378
Costs of products sold (excluding depreciation and amortization) 89,326 86,656 256,756 260,741
Selling and administrative 13,535 12,738 40,336 39,365
Depreciation and amortization 4,130 7,091 12,614 17,095
Deconsolidation Charge     875  
Severance charge   165   6,019
Income from operations 4,616 1,123 12,250 1,895
Reconciliation to income (loss) before income taxes        
Interest expense (2,766) (3,001) (8,280) (8,552)
Income (loss) before income taxes 1,480 (1,130) 4,741 (5,308)
Operating Segments        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net sales 111,699 108,009 322,944 325,378
Income from operations 8,434 3,759 23,571 11,117
Operating Segments | FCEP        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net sales 68,906 71,467 207,026 221,663
Costs of products sold (excluding depreciation and amortization) 55,708 58,295 169,114 180,345
Selling and administrative 5,428 6,365 16,632 19,236
Depreciation and amortization 3,780 6,807 11,567 16,259
Deconsolidation Charge     875  
Severance charge   165   6,019
Loss on disposal of assets 68 236 89 263
Income from operations 3,922 (401) 8,749 (459)
Operating Segments | ALP        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Net sales 42,793 36,542 115,918 103,715
Costs of products sold (excluding depreciation and amortization) 33,618 28,361 87,642 80,396
Selling and administrative 4,303 3,737 12,417 10,907
Depreciation and amortization 336 284 1,013 836
Loss on disposal of assets 24   24  
Income from operations 4,512 4,160 14,822 11,576
Reconciling Item, Excluding Corporate Nonsegment        
Reconciliation to income (loss) before income taxes        
Interest expense (2,766) (3,001) (8,280) (8,552)
Other (expense) income - net (370) 748 771 1,349
Corporate Nonsegment        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Depreciation and amortization 14   34  
Reconciliation to income (loss) before income taxes        
Corporate costs $ (3,818) $ (2,636) $ (11,321) $ (9,222)