Reportable Segments and Geographic Data (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended												9 Months Ended	12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Net sale	$ 251,600	$ 251,900	$ 255,400	$ 223,600	$ 226,700	$ 222,100	$ 215,600	$ 199,300	$ 213,000	$ 191,300	$ 203,200	$ 172,300		$ 982,479	$ 863,717	$ 779,839
Machine Clothing [Member]
Segment Reporting Information [Line Items]
Net sale														611,858	590,357	582,190
Increase decrease in assets														22,500
AEC assets [Member]
Segment Reporting Information [Line Items]
Increase decrease in assets														14,100
Salt Lake City, Utah [Member]
Segment Reporting Information [Line Items]
Non-cash increase of lease modification														$ 12,700
Lease expiration date														Dec. 31, 2029
Albany Aerostructures Composites LLC (AAC) [Member]
Segment Reporting Information [Line Items]
Net sale													$ 67,011
Invoiced receivables, unbilled receivables and contract receivables	$ 96,200				$ 58,600									$ 96,200	58,600
Safran [Member]
Segment Reporting Information [Line Items]
Net sale														$ 186,300	$ 119,200	$ 88,900