Reportable Segments and Geographic Data (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($) segment	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Oct. 31, 2013
Restructuring Cost and Reserve [Line Items]
Number of reportable segments | segment	2
Depreciation	$ 82,712	$ 82,452	$ 70,374
Amortization of intangible assets	5,202	5,096
Heimbach
Restructuring Cost and Reserve [Line Items]
Depreciation	10,900	12,400	4,000
Amortization of intangible assets	1,000	1,000	300
Machine Clothing
Restructuring Cost and Reserve [Line Items]
Global information system expense	17,300	15,200	10,900
Albany Engineered Composites
Restructuring Cost and Reserve [Line Items]
Global information system expense	17,600	15,700	14,200
Corporate
Restructuring Cost and Reserve [Line Items]
Global information system expense	$ 200	$ 1,000	$ 2,100
US Government Contracts Or Programs | Revenue Benchmark | Product Concentration Risk
Restructuring Cost and Reserve [Line Items]
Concentration risk percentage	35.00%
Albany Safran Composites, LLC | Safran
Restructuring Cost and Reserve [Line Items]
Ownership percentage of noncontrolling shareholder	10.00%	10.00%		10.00%