Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

v2.4.1.9
CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $)
In Thousands, unless otherwise specified
Total
Series A Convertible Preferred Stock [Member]
Series B Convertible Preferred Stock [Member]
Class B Common Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings (Accumulated Deficit) [Member]
Shares Held In Treasury [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Non - controlling Interest in Subsidiary [Member]
Beginning Balance at Dec. 31, 2011 $ 275,147us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest $ 140,210us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesPreferredStockMember
$ 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesBPreferredStockMember
$ 245us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
$ 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 287,307us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ (11,812)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
$ (593)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
$ 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Issuance of stock     100,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesBPreferredStockMember
             
Accretion of redemption value on Series A preferred stock (8,469)us-gaap_PreferredStockAccretionOfRedemptionDiscount 8,469us-gaap_PreferredStockAccretionOfRedemptionDiscount
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesPreferredStockMember
      (8,469)us-gaap_PreferredStockAccretionOfRedemptionDiscount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Preferred stock dividend   (4,447)us-gaap_DividendsPreferredStock
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesPreferredStockMember
               
Redemption of Series B preferred stock     (100,000)us-gaap_StockRedeemedOrCalledDuringPeriodValue
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesBPreferredStockMember
             
Acquisition of subsidiary with a noncontrolling interest 247us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination                 247us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Net income (loss) 7,747us-gaap_ProfitLoss           7,787us-gaap_ProfitLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    (40)us-gaap_ProfitLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Currency translation adjustments, net of tax 613us-gaap_OtherComprehensiveIncomeLossNetOfTax               613us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
 
Ending Balance at Dec. 31, 2012 275,285us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 144,232us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesPreferredStockMember
0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesBPreferredStockMember
245us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
278,838us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
(4,025)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
20us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
207us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Issuance of stock         3us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
(3)us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Accretion of redemption value on Series A preferred stock (721)us-gaap_PreferredStockAccretionOfRedemptionDiscount 721us-gaap_PreferredStockAccretionOfRedemptionDiscount
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesPreferredStockMember
      (721)us-gaap_PreferredStockAccretionOfRedemptionDiscount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Preferred stock dividend   (4,953)us-gaap_DividendsPreferredStock
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesPreferredStockMember
               
Recapitalization of Era Group by SEACOR 140,000us-gaap_StockIssuedDuringPeriodValueAcquisitions (140,000)us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesPreferredStockMember
  (245)us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
199us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
140,046us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Issuance of Era Group stock options in settlement of SEACOR stock options 706us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions         706us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Proceeds and tax benefits from share award plans 527us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation         527us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Share award amortization 1,815us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue         1,815us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Cancellation of restricted stock (11)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures         102us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  (113)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
   
Net income (loss) 18,304us-gaap_ProfitLoss           18,705us-gaap_ProfitLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    (401)us-gaap_ProfitLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Currency translation adjustments, net of tax 156us-gaap_OtherComprehensiveIncomeLossNetOfTax               156us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
 
Ending Balance at Dec. 31, 2013 436,061us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesPreferredStockMember
0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesBPreferredStockMember
0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
202us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
421,310us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
14,680us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(113)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
176us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(194)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Increase (Decrease) in Stockholders' Equity [Roll Forward]                    
Issuance of stock         2us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
(2)us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Accretion of redemption value on Series A preferred stock 0us-gaap_PreferredStockAccretionOfRedemptionDiscount                  
Cancellation of restricted stock (177)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures         261us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  (438)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
   
Exercise of stock options 320us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised         320us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Employee Stock Purchase Plan 1,138us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan         1,138us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Tax benefit from share award plans 313era_ProceedsandTaxBenefitsfromShareAwardPlans         313era_ProceedsandTaxBenefitsfromShareAwardPlans
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Share award amortization 5,769us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition         5,769us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Net income (loss) 17,021us-gaap_ProfitLoss           17,117us-gaap_ProfitLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    (96)us-gaap_ProfitLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
Currency translation adjustments, net of tax (81)us-gaap_OtherComprehensiveIncomeLossNetOfTax               (81)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
 
Ending Balance at Dec. 31, 2014 $ 460,364us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest $ 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesPreferredStockMember
$ 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= era_ConvertibleSeriesBPreferredStockMember
$ 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
$ 204us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 429,109us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ 31,797us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ (551)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
$ 95us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
$ (290)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember