v3.26.1
Goodwill and Other Intangible Assets (Schedule of Intangible Assets and Goodwill) (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Intangible Asset, Finite-Lived [Line Items]    
Gross carrying amount $ 86,030 $ 86,839
Accumulated amortization and other (72,635) (71,867)
Net carrying amount 13,395 14,972
Intangible Asset, Indefinite-Lived [Line Items]    
Indefinite-lived intangible assets (including goodwill), gross 188,653 190,795
Goodwill, accumulated impairment loss (21,829) (21,832)
Goodwill 160,552 162,507
Total Indefinite-lived intangible assets: (166,824) (168,963)
Machine Clothing    
Intangible Asset, Indefinite-Lived [Line Items]    
Goodwill, gross 68,482 69,911
Goodwill 68,482 69,911
Albany Engineered Composites    
Intangible Asset, Indefinite-Lived [Line Items]    
Goodwill, gross 113,899 114,428
Goodwill, accumulated impairment loss (21,829) (21,832)
Goodwill 92,070 92,596
Heimbach Trade name    
Intangible Asset, Indefinite-Lived [Line Items]    
Indefinite-lived intangible assets (excluding goodwill) 6,272 6,456
AEC Trademarks and trade names    
Intangible Asset, Finite-Lived [Line Items]    
Gross carrying amount 208 208
Accumulated amortization and other (208) (208)
Net carrying amount $ 0 $ 0
AEC Trademarks and trade names | Minimum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization  life in years 6 years 6 years
AEC Trademarks and trade names | Maximum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization  life in years 15 years 15 years
AEC Technology    
Intangible Asset, Finite-Lived [Line Items]    
Gross carrying amount $ 6,356 $ 6,530
Accumulated amortization and other (4,311) (4,114)
Net carrying amount $ 2,045 $ 2,416
AEC Technology | Minimum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization  life in years 10 years 10 years
AEC Technology | Maximum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization  life in years 15 years 15 years
AEC Intellectual property    
Intangible Asset, Finite-Lived [Line Items]    
Amortization  life in years 15 years 15 years
Gross carrying amount $ 1,250 $ 1,250
Accumulated amortization and other (548) (505)
Net carrying amount 702 745
AEC Customer relationships    
Intangible Asset, Finite-Lived [Line Items]    
Gross carrying amount 69,465 69,560
Accumulated amortization and other (64,753) (64,331)
Net carrying amount $ 4,712 $ 5,229
AEC Customer relationships | Minimum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization  life in years 8 years 8 years
AEC Customer relationships | Maximum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization  life in years 15 years 15 years
Heimbach Developed technology    
Intangible Asset, Finite-Lived [Line Items]    
Amortization  life in years 9 years 9 years
Gross carrying amount $ 8,751 $ 9,291
Accumulated amortization and other (2,815) (2,709)
Net carrying amount $ 5,936 $ 6,582