INVESTMENT IN AL MASANE AL KOBRA MINING COMPANY (AMAK) (Details)
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12 Months Ended |
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1 Months Ended |
12 Months Ended |
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1 Months Ended |
Dec. 31, 2014
USD ($)
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Dec. 31, 2013
USD ($)
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Dec. 31, 2012
USD ($)
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Dec. 31, 2014
SAR
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May 31, 2013
AMAK [Member]
USD ($)
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Jul. 31, 2011
AMAK [Member]
Member
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Dec. 31, 2014
AMAK [Member]
USD ($)
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Dec. 31, 2013
AMAK [Member]
USD ($)
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Dec. 31, 2012
AMAK [Member]
USD ($)
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Dec. 31, 2014
AMAK [Member]
SAR
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Dec. 31, 2013
AMAK [Member]
SAR
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Jul. 31, 2011
AMAK [Member]
Saudi Investors [Member]
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Jul. 31, 2011
AMAK [Member]
ARMICO [Member]
USD ($)
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Investment in Al Masane Al Kobra Mining Company Amak [Line Items] |
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Investment in AMAK |
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$ 53,000,000us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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$ 54,100,000us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Cash contributed by other investors to AMAK |
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37,300,000trec_CashContributedByOtherInvestorsToJointVenture / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = trec_ArmicoMember
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Exchange rate |
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3.75us-gaap_ForeignCurrencyExchangeRateTranslation1
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3.75us-gaap_ForeignCurrencyExchangeRateTranslation1 / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Percentage interest acquire by other investors in AMAK (in hundredths) |
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10.00%trec_PercentageInterestAcquireByOtherInvestorsInJointVenture / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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53.00%trec_PercentageInterestAcquireByOtherInvestorsInJointVenture / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = trec_SaudiInvestorsMember
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10.00%trec_PercentageInterestAcquireByOtherInvestorsInJointVenture / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = trec_ArmicoMember
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Shares purchased under equity method investments (in shares) |
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937,500trec_SharesPurchasedUnderEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Share price (in dollars per share) |
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$ 8.00us-gaap_SharePrice / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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30us-gaap_SharePrice / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Payments to acquire equity method investments |
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7,500,000us-gaap_PaymentsToAcquireEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Number of board members can be appointed by entity |
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4trec_NumberOfBoardMembersCanBeAppointedByEntity / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Maximum number of board members as per by laws |
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9trec_MaximumNumberOfBoardMembersAsPerByLaws / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Gain upon formation of AMAK |
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16,200,000trec_EquityMethodInvestmentGainUponFormation / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Percentage investment in AMAK (in hundredths) |
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37.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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35.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Number of shares acquired in joint venture by other investors (in shares) |
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5,000,000trec_NumberOfSharesAcquiredInJointVentureByOtherInvestors / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = trec_ArmicoMember
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Results of Operations [Abstract] |
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Sales |
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63,300,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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104,990,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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15,594,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Gross Profit |
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3,624,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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21,881,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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3,825,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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General, administrative and other expenses |
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10,487,000trec_EquityMethodInvestmentSummarizedFinancialInformationGeneralAdministrativeAndOtherExpenses / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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12,360,000trec_EquityMethodInvestmentSummarizedFinancialInformationGeneralAdministrativeAndOtherExpenses / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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6,328,000trec_EquityMethodInvestmentSummarizedFinancialInformationGeneralAdministrativeAndOtherExpenses / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Net Income (loss) |
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(6,863,000)us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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9,521,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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(2,503,000)us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Depreciation and amortization expense |
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23,700,000us-gaap_DepreciationAndAmortization / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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24,400,000us-gaap_DepreciationAndAmortization / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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9,600,000us-gaap_DepreciationAndAmortization / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Net income before depreciation and amortization |
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16,845,000trec_NetIncomeBeforeDepreciationAndAmortization / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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33,878,000trec_NetIncomeBeforeDepreciationAndAmortization / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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7,144,000trec_NetIncomeBeforeDepreciationAndAmortization / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Financial Position [Abstract] |
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Current assets |
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17,782,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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32,923,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Noncurrent assets |
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265,584,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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264,997,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Total assets |
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283,366,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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297,920,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Current liabilities |
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23,034,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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22,497,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Long term liabilities |
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67,598,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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75,826,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Shareholders' equity |
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192,734,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquity / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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199,597,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquity / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Total liabilities and equity |
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283,366,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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297,920,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Equity in Income or Loss of AMAK Reflected on Consolidated Statement Of Operation [Abstract] |
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Company's share of earnings (loss) reported by AMAK |
(2,419,000)trec_ReportedIncomeLossFromEquityMethodInvestments
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3,356,000trec_ReportedIncomeLossFromEquityMethodInvestments
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(885,000)trec_ReportedIncomeLossFromEquityMethodInvestments
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Amortization of difference between Company's investment in and Company's share of net assets of AMAKAMAK |
1,347,000us-gaap_InvestmentIncomeNetAmortizationOfDiscountAndPremium
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1,347,000us-gaap_InvestmentIncomeNetAmortizationOfDiscountAndPremium
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674,000us-gaap_InvestmentIncomeNetAmortizationOfDiscountAndPremium
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Equity in earnings (loss) of AMAK |
(1,072,000)trec_IncomeLossAndGainFromEquityIssuanceFromEquityMethodInvestments
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4,703,000trec_IncomeLossAndGainFromEquityIssuanceFromEquityMethodInvestments
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(211,000)trec_IncomeLossAndGainFromEquityIssuanceFromEquityMethodInvestments
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Increase in the entity's share in net assets of AMAK |
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4,000,000trec_IncreaseInEntitySShareInNetAssetsOfAmak / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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8,900,000trec_IncreaseInEntitySShareInNetAssetsOfAmak / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Advances to AMAK |
0us-gaap_AdvancesToAffiliate
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536,000us-gaap_AdvancesToAffiliate
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0us-gaap_AdvancesToAffiliate / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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536,000us-gaap_AdvancesToAffiliate / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Proceeds from advances to AMAK |
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2,016,000us-gaap_ProceedsFromCollectionOfAdvanceToAffiliate / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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Additional advances to AMAK |
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$ 2,041,000trec_AdditionalAdvancesToAffiliate / dei_LegalEntityAxis = us-gaap_AffiliatedEntityMember
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