Document and Entity Information - shares shares in Millions	6 Months Ended
	Jun. 30, 2019	Jul. 21, 2019
Document Type	10-Q
Document Period End Date	Jun. 30, 2019
Entity File Number	1-10026
Entity Interactive Data Current	Yes
Entity Current Reporting Status	Yes
Entity Registrant Name	ALBANY INTERNATIONAL CORP.
Entity Incorporation, State or Country Code	DE
Entity Address, City or Town	Rochester
Entity Address, State or Province	NH
Entity Tax Identification Number	14-0462060
Entity Address, Address Line One	216 Airport Drive
Entity Address, Postal Zip Code	03867
Local Phone Number	603-330-5850
Entity Information, Former Legal or Registered Name	N/A
Entity Central Index Key	0000819793
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Small Business	false
City Area Code	603
Document Quarterly Report	true
Document Transition Report	false
Common Class A [Member]
Entity Common Stock, Shares Outstanding		30.7
Title of 12(b) Security	Class A Common Stock
Trading Symbol	AIN
Name of Exchange on which Security is Registered	NYSE
Common Class B [Member]
Entity Common Stock, Shares Outstanding		1.6
Title of 12(b) Security	Class B Common Stock
Trading Symbol	AIN
Name of Exchange on which Security is Registered	NYSE