v3.10.0.1
Document and Entity Information - shares
shares in Millions
6 Months Ended
Jun. 30, 2018
Jul. 24, 2018
Entity Registrant Name ALBANY INTERNATIONAL CORP /DE/  
Entity Central Index Key 0000819793  
Document Type 10-Q  
Document Period End Date Jun. 30, 2018  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2018  
Common Class A [Member]    
Entity Common Stock, Shares Outstanding   29.0
Common Class B [Member]    
Entity Common Stock, Shares Outstanding   3.2