Document and Entity Information In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2013
Entity Registrant Name	ALBANY INTERNATIONAL CORP /DE/
Entity Central Index Key	0000819793
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Entity Filer Category	Large Accelerated Filer
Common Class A [Member]
Entity Common Stock, Shares Outstanding	28.4
Common Class B [Member]
Entity Common Stock, Shares Outstanding	3.2