Reportable Segments (Schedule of Restructuring Costs by Reporting Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Restructuring expense
Restructuring expenses, net	$ 2,552	$ 5,503	$ 13,714	$ 10,220
Machine Clothing [Member]
Restructuring expense
Restructuring expenses, net	371	96	10,523	1,012
Albany Engineered Composites [Member]
Restructuring expense
Restructuring expenses, net	2,189	5,407	2,968	9,208
Corporate Expenses [Member]
Restructuring expense
Restructuring expenses, net	$ (8)		$ 223