Reportable Segments (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Net sales	$ 235,764	$ 251,373
Performance obligations	82,000	90,000
Remaining performance obligation expected to be recognized during 2020	48,000
AEC [Member]
Segment Reporting Information [Line Items]
Immaterial out-of-period favorable adjustment	900	600
Albany Safran Composites, LLC [Member]
Segment Reporting Information [Line Items]
Net sales	38,000	56,000
Accounts receivable, unbilled receivables and contract receivables	112,100	$ 114,500
Lease rent	$ 200