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Income Taxes (Schedule of Current Taxes Payable and Deferred) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Line Items]    
Taxes payable $ 2,211us-gaap_TaxesPayableCurrent $ 1,536us-gaap_TaxesPayableCurrent
Deferred income taxes 575us-gaap_DeferredTaxLiabilitiesCurrent 3,855us-gaap_DeferredTaxLiabilitiesCurrent
Total current taxes payable and deferred 2,786ain_IncomeTaxesPayableAndDeferred 4,429ain_IncomeTaxesPayableAndDeferred
Error in the presentation of deferred tax assets and liabilities in balance sheets [Member] | Total as previously reported in Balance Sheet [Member]    
Income Tax Disclosure [Line Items]    
Total current taxes payable and deferred   $ 5,391ain_IncomeTaxesPayableAndDeferred
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= ain_ErrorInPresentationOfDeferredTaxAssetsAndLiabilitiesInBalanceSheetsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember