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Accounts Receivable (Schedule of Changes in Allowance for Credit Losses for Accounts Receivable) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
Noncurrent receivables expected credit losses, beginning balance | $ 0
Charges | (71)
Currency translation | 3
Other | 0
Noncurrent receivables expected credit losses, ending balance | (274)
Cumulative Effect, Period of Adoption, Adjustment |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
Noncurrent receivables expected credit losses, beginning balance | $ (206)

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- Definition Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease), Noncurrent + References No definition available. + Details
Name: | ain_AccountsReceivableAllowanceForCreditLossPeriodIncreaseDecreaseNoncurrent
Namespace Prefix: | ain_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Accounts Receivable, Allowance for Credit Loss, Writeoff, Noncurrent + References No definition available. + Details
Name: | ain_AccountsReceivableAllowanceForCreditLossWriteoffNoncurrent
Namespace Prefix: | ain_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Accounts Receivable, Credit Loss Expense (Reversal), Noncurrent + References No definition available. + Details
Name: | ain_AccountsReceivableCreditLossExpenseReversalNoncurrent
Namespace Prefix: | ain_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of allowance for credit loss on accounts receivable, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_AllowanceForDoubtfulAccountsReceivableNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |