Reportable Segments (Schedule of Restructuring Costs by Reporting Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information, Additional Information [Abstract]
Restructuring expenses, net	$ 2,837	$ 899	$ 3,479	$ 1,383
Corporate, Non-Segment [Member]
Segment Reporting Information, Additional Information [Abstract]
Restructuring expenses, net	201	(4)	201	(4)
Machine Clothing [Member] | Operating Segments [Member]
Segment Reporting Information, Additional Information [Abstract]
Restructuring expenses, net	388	935	1,030	1,336
Albany Engineered Composites [Member] | Operating Segments [Member]
Segment Reporting Information, Additional Information [Abstract]
Restructuring expenses, net	$ 2,248	$ (32)	$ 2,248	$ 51