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Earnings (Loss) Per Share (Schedule of Antidilutive Securities Excluded from Computation of Earnings (Loss) Per Share) (Details) (Stock Options [Member], USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Number of shares 0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 1,277,650us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Minimum [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Range of exercise prices 0.00ael_StockOptionsExcludedFromDilutedEarningsPerShareRangeofExercisePrices
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
24.79ael_StockOptionsExcludedFromDilutedEarningsPerShareRangeofExercisePrices
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Maximum [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Range of exercise prices 0.00ael_StockOptionsExcludedFromDilutedEarningsPerShareRangeofExercisePrices
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
24.79ael_StockOptionsExcludedFromDilutedEarningsPerShareRangeofExercisePrices
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember