Goodwill and Other Intangible Assets (Schedule of Changes in Intangible Assets and Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	$ 32,415	$ 38,576
Reclassified to Held for Sale	13,384
Other Changes	(315)
Amortization	(5,202)	(5,096)
Currency Translation	1,458	(776)
Acquisition		(289)
Ending balance	14,972	32,415
Goodwill [Roll Forward]
Beginning Balance	176,261
Ending Balance	162,507	176,261
Indefinite-Lived Intangible Assets Including Goodwill [Roll Forward]
Beginning Balance	181,973	186,251
Reclassified to Held for Sale	(21,829)
Other Changes	0
Acquisition		0
Currency Translation	8,819	(4,278)
Ending Balance	168,963	181,973
Machine Clothing
Goodwill [Roll Forward]
Beginning Balance	63,988	66,873
Reclassified to Held for Sale	0
Other Changes	0
Acquisition		0
Currency Translation	5,923	(2,885)
Ending Balance	69,911	63,988
Albany Engineered Composites
Goodwill [Roll Forward]
Beginning Balance	112,273	113,308
Reclassified to Held for Sale	(21,829)
Other Changes	0
Acquisition		0
Currency Translation	2,152	(1,035)
Ending Balance	92,596	112,273
Heimbach Trade name
Indefinite-Lived Intangible Assets [Roll Forward]
Beginning Balance	5,712	6,070
Reclassified to Held for Sale	0
Other Changes	0
Acquisition		0
Currency Translation	744	(358)
Ending Balance	6,456	5,712
AEC Trademarks and trade names
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	11	22
Reclassified to Held for Sale	0
Other Changes	0
Amortization	(11)	(11)
Currency Translation	0	0
Acquisition		0
Ending balance	$ 0	$ 11
AEC Trademarks and trade names | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization life in years	6 years	6 years
AEC Trademarks and trade names | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization life in years	15 years	15 years
AEC Technology
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	$ 2,680	$ 3,426
Reclassified to Held for Sale	0
Other Changes	0
Amortization	(616)	(569)
Currency Translation	352	(177)
Acquisition		0
Ending balance	$ 2,416	$ 2,680
AEC Technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization life in years	10 years	10 years
AEC Technology | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization life in years	15 years	15 years
AEC Intellectual property
Finite-Lived Intangible Assets [Line Items]
Amortization life in years	15 years	15 years
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	$ 828	$ 911
Reclassified to Held for Sale	0
Other Changes	0
Amortization	(83)	(83)
Currency Translation	0	0
Acquisition		0
Ending balance	745	828
AEC Customer relationships
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	21,892	25,485
Reclassified to Held for Sale	13,384
Other Changes	0
Amortization	(3,504)	(3,480)
Currency Translation	225	(113)
Acquisition		0
Ending balance	$ 5,229	$ 21,892
AEC Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization life in years	8 years	8 years
AEC Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization life in years	15 years	15 years
Heimbach Developed technology
Finite-Lived Intangible Assets [Line Items]
Amortization life in years	9 years	9 years
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	$ 7,004	$ 8,732
Reclassified to Held for Sale	0
Other Changes	(315)
Amortization	(988)	(953)
Currency Translation	881	(486)
Acquisition		(289)
Ending balance	$ 6,582	$ 7,004