Reportable Segments (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Cost of goods sold	$ 152,517		$ 124,875		$ 275,889	$ 224,705
Net sales	215,571		203,190		414,848	375,521
Albany Engineered Composites [Member]
Segment Reporting Information [Line Items]
Cost of goods sold	15,800
Write-off inventory cost	4,000
Reserve for future loss	11,800				11,800		$ 100
Net sales	68,999		54,256		125,449	$ 81,324
Albany Safran Composites, LLC [Member]
Segment Reporting Information [Line Items]
Net sales	30,100	$ 25,600	$ 18,500	$ 17,100
Invoiced receivables, unbilled receivables and contract receivables	$ 55,500				$ 55,500		$ 37,100