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Advances to and Investments in Foreign Joint Ventures' Operations - Schedule of Activity in Investment in Foreign Joint Ventures (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | $ 13,033 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures |  |
Equity in earnings (loss) | 2,194 us-gaap_IncomeLossFromEquityMethodInvestments | 3,024 us-gaap_IncomeLossFromEquityMethodInvestments |
Balance, end of year | 12,054 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures | 13,033 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures |
Investment In Joint Ventures |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | 2,101 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember |  | 2,281 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember
Withdrawal from joint venture | (54)us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember |  |
Balance, end of year | 2,047 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember |  | 2,281 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember
Undistributed Earnings |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | 9,496 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember | 7,816 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember |
Equity in earnings (loss) | 2,194 us-gaap_IncomeLossFromEquityMethodInvestments / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember | 3,024 us-gaap_IncomeLossFromEquityMethodInvestments / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember |
Dividend distributions | (2,522)us-gaap_EquityMethodInvestmentDividendsOrDistributions / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember | (1,344)us-gaap_EquityMethodInvestmentDividendsOrDistributions / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember |
Withdrawal from joint venture | (653)us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember |  |
Balance, end of year | 8,515 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember | 9,496 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember |
Foreign Currency Translation |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | 1,436 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember |  |
Change during the year | (15)aeti_EquityMethodInvestmentTranslationAdjustment / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember | 125 aeti_EquityMethodInvestmentTranslationAdjustment / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember |
Withdrawal from joint venture | 71 us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember |  |
Balance, end of year | 1,492 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember | 1,436 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember |
BOMAY |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | 10,609 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember |  |
Equity in earnings (loss) | 2,054 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember | 2,066 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember |
Balance, end of year | 11,548 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember | 10,609 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember |
BOMAY | Investment In Joint Ventures |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year |  |  | 2,033 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember
Balance, end of year | 2,033 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember | 2,033 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember | 2,033 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember
BOMAY | Undistributed Earnings |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | 7,145 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember | 6,400 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember |
Equity in earnings (loss) | 2,054 us-gaap_IncomeLossFromEquityMethodInvestments / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember | 2,066 us-gaap_IncomeLossFromEquityMethodInvestments / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember |
Dividend distributions | (1,042)us-gaap_EquityMethodInvestmentDividendsOrDistributions / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember | (1,321)us-gaap_EquityMethodInvestmentDividendsOrDistributions / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember |
Balance, end of year | 8,157 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember | 7,145 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember |
BOMAY | Foreign Currency Translation |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | 1,431 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember |  |
Change during the year | (73)aeti_EquityMethodInvestmentTranslationAdjustment / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember | 333 aeti_EquityMethodInvestmentTranslationAdjustment / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember |
Balance, end of year | 1,358 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember | 1,431 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_BomayMember |
MIEFE |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | 1,138 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember |  |
Equity in earnings (loss) | 138 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember | 115 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember |
Balance, end of year | 506 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember | 1,138 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember |
MIEFE | Investment In Joint Ventures |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year |  |  | 14 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember
Balance, end of year | 14 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember | 14 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember | 14 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember
MIEFE | Undistributed Earnings |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | 870 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember | 755 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember |
Equity in earnings (loss) | 138 us-gaap_IncomeLossFromEquityMethodInvestments / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember | 115 us-gaap_IncomeLossFromEquityMethodInvestments / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember |
Dividend distributions | (650)us-gaap_EquityMethodInvestmentDividendsOrDistributions / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember |  |
Balance, end of year | 358 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember | 870 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember |
MIEFE | Foreign Currency Translation |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | 254 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember |  |
Change during the year | (120)aeti_EquityMethodInvestmentTranslationAdjustment / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember | (40)aeti_EquityMethodInvestmentTranslationAdjustment / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember |
Balance, end of year | 134 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember | 254 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_MIEFEMember |
AAG |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, end of year |  | 1,286 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |
AAG | Investment In Joint Ventures |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | 54 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |  | 234 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember
Withdrawal from joint venture | (54)us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |  |
Balance, end of year |  |  | 234 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_InvestmentInJointVenturesMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember
AAG | Undistributed Earnings |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | 1,481 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember | 661 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |
Equity in earnings (loss) | 2 us-gaap_IncomeLossFromEquityMethodInvestments / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember | 843 us-gaap_IncomeLossFromEquityMethodInvestments / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |
Dividend distributions | (830)us-gaap_EquityMethodInvestmentDividendsOrDistributions / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember | (23)us-gaap_EquityMethodInvestmentDividendsOrDistributions / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |
Withdrawal from joint venture | (653)us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |  |
Balance, end of year |  | 1,481 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_UndistributedEarningsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |
AAG | Foreign Currency Translation |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Balance, beginning of year | (249)us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |  |
Change during the year | 178 aeti_EquityMethodInvestmentTranslationAdjustment / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember | (168)aeti_EquityMethodInvestmentTranslationAdjustment / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |
Withdrawal from joint venture | 71 us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |  |
Balance, end of year |  | $ (249)us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / aeti_ScheduleOfEquityMethodInvestmentComponentsAxis = aeti_ForeignCurrencyTranslationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = aeti_AAGMember |

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