Accounts Receivable (Narrative) (Details)	3 Months Ended
Mar. 31, 2021
Receivables [Abstract]
Noncurrent receivables invoice, period	10 years

Receivables, Noncurrent Invoice To Customer, Period

No definition available.

Name:	ain_ReceivablesNoncurrentInvoiceToCustomerPeriod
Namespace Prefix:	ain_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration