Restructuring (Schedule of Restructuring Charges) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restructuring Charges [Abstract]
Restructuring expenses, net	$ 2,837	$ 899	$ 3,479	$ 1,383
Corporate, Non-Segment [Member]
Restructuring Charges [Abstract]
Restructuring expenses, net	201	(4)	201	(4)
Machine Clothing [Member] | Operating Segments [Member]
Restructuring Charges [Abstract]
Restructuring expenses, net	388	935	1,030	1,336
Albany Engineered Composites [Member] | Operating Segments [Member]
Restructuring Charges [Abstract]
Restructuring expenses, net	$ 2,248	$ (32)	2,248	51
Termination and other costs [Member]
Restructuring Charges [Abstract]
Restructuring expenses, net			3,479	1,356
Termination and other costs [Member] | Corporate, Non-Segment [Member]
Restructuring Charges [Abstract]
Restructuring expenses, net			201	(4)
Termination and other costs [Member] | Machine Clothing [Member] | Operating Segments [Member]
Restructuring Charges [Abstract]
Restructuring expenses, net			1,030	1,309
Termination and other costs [Member] | Albany Engineered Composites [Member] | Operating Segments [Member]
Restructuring Charges [Abstract]
Restructuring expenses, net			2,248	51
Impairment Of Assets [Member]
Restructuring Charges [Abstract]
Restructuring expenses, net			0	27
Impairment Of Assets [Member] | Corporate, Non-Segment [Member]
Restructuring Charges [Abstract]
Restructuring expenses, net			0	0
Impairment Of Assets [Member] | Machine Clothing [Member] | Operating Segments [Member]
Restructuring Charges [Abstract]
Restructuring expenses, net			0	27
Impairment Of Assets [Member] | Albany Engineered Composites [Member] | Operating Segments [Member]
Restructuring Charges [Abstract]
Restructuring expenses, net			$ 0	$ 0