Reportable Segments and Revenue Recognition (Schedule of Restructuring Costs by Reporting Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information, Additional Information [Abstract]
Restructuring expenses, net	$ 52	$ 642
Corporate, Non-Segment
Segment Reporting Information, Additional Information [Abstract]
Restructuring expenses, net	32	0
Machine Clothing \| Operating Segments
Segment Reporting Information, Additional Information [Abstract]
Restructuring expenses, net	(69)	642
Albany Engineered Composites \| Operating Segments
Segment Reporting Information, Additional Information [Abstract]
Restructuring expenses, net	$ 89	$ 0

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration