Cover Page
| Cover Page | May 13, 2021 | Apr. 26, 2021 |
| Document Type | 8-K | |
| Entity File Number | 1-10026 | |
| Entity Registrant Name | ALBANY INTERNATIONAL CORP. | |
| Entity Incorporation, State or Country Code | DE | |
| Entity Address, Address Line One | 216 Airport Drive | |
| Entity Tax Identification Number | 14-0462060 | |
| Entity Address, Postal Zip Code | 03867 | |
| City Area Code | 603 | |
| Local Phone Number | 330-5850 | |
| Entity Emerging Growth Company | false | |
| Entity Central Index Key | 0000819793 | |
| Amendment Flag | false | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Entity Address, City or Town | Rochester | |
| Entity Address, State or Province | NH | |
| Document Period End Date | May 13, 2021 | |
| Class B Common Stock | ||
| Trading Symbol | AIN | |
| Security Exchange Name | NYSE | |
| Title of 12(b) Security | Class B Common Stock, $0.001 par value per share | |
| Class A Common Stock | ||
| Trading Symbol | AIN | |
| Security Exchange Name | NYSE | |
| Title of 12(b) Security | Class A Common Stock, $0.001 par value per share |