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v2.4.1.9

Significant Accounting Policies (Narrative) (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Impairment charges | $ 0 us-gaap_AssetImpairmentCharges | $ 0 us-gaap_AssetImpairmentCharges |
Amortization of above and below-market leases | 600,000 us-gaap_AmortizationOfAboveAndBelowMarketLeases | 200,000 us-gaap_AmortizationOfAboveAndBelowMarketLeases |
Remaining weighted average lease term related to these intangible assets and liabilities | 3 years 6 months |  |
Straight-line rent and accounts receivables, net allowances | 13,100,000 trno_StraightLineRentAndAccountsReceivablesNetOfAllowances |  | 10,600,000 trno_StraightLineRentAndAccountsReceivablesNetOfAllowances
Straight-line rent and accounts receivables, allowances | 300,000 trno_StraightLineRentAndAccountsReceivablesAllowances |  | 400,000 trno_StraightLineRentAndAccountsReceivablesAllowances
Deferred financing cost accumulated amortization | 2,800,000 us-gaap_AccumulatedAmortizationDeferredFinanceCosts |  | 2,600,000 us-gaap_AccumulatedAmortizationDeferredFinanceCosts
Net unamortized premiums | 488,000 us-gaap_DebtInstrumentUnamortizedPremium |  | 600,000 us-gaap_DebtInstrumentUnamortizedPremium
Unrecognized tax benefits | 0 us-gaap_UnrecognizedTaxBenefits |  | 0 us-gaap_UnrecognizedTaxBenefits
Estimated fair value of mortgage and term loans payable | 305,300,000 us-gaap_LongTermDebtFairValue |  | 305,700,000 us-gaap_LongTermDebtFairValue
Real Estate Investment [Member] |  |  |
Number of reportable segments | 1 us-gaap_NumberOfReportableSegments / us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentAxis = us-gaap_RealEstateInvestmentMember |  |
Seven-Year $50.0 Million Term Loan [Member] |  |  |
Credit facility | 50,000,000 us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_LongtermDebtTypeAxis = trno_SeniorSecuredTermLoanBMember |  |
Credit facility term loan | 7 years |  |
Credit facility maturity date | May 01, 2021 |  |
LIBOR margin | 1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_LongtermDebtTypeAxis = trno_SeniorSecuredTermLoanBMember |  |
Seven-Year $50.0 Million Term Loan [Member] | Minimum [Member] |  |  |
LIBOR margin | 1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_LongtermDebtTypeAxis = trno_SeniorSecuredTermLoanBMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Seven-Year $50.0 Million Term Loan [Member] | Maximum [Member] |  |  |
LIBOR margin | 2.30%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_LongtermDebtTypeAxis = trno_SeniorSecuredTermLoanBMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Interest Rate Cap [Member] |  |  |
Number of interest rate cap transactions | 1 trno_NumberOfInterestRateCapTransactions / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateCapMember |  |
Interest rate cap notional value | 50,000,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateCapMember |  |
Interest rate cap fair value | 500,000 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateCapMember |  |
Interest Rate Cap [Member] | Seven-Year $50.0 Million Term Loan [Member] |  |  |
Credit facility | $ 50,000,000 us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateCapMember / us-gaap_LongtermDebtTypeAxis = trno_SeniorSecuredTermLoanBMember |  |
Credit facility term loan | 7 years |  |
Effective date | Dec. 01, 2014 |  |
Credit facility maturity date | May 01, 2021 |  |
Credit facility interest rate | 4.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateCapMember / us-gaap_LongtermDebtTypeAxis = trno_SeniorSecuredTermLoanBMember |  |
Interest Rate Cap [Member] | Seven-Year $50.0 Million Term Loan [Member] | Minimum [Member] |  |  |
LIBOR margin | 1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateCapMember / us-gaap_LongtermDebtTypeAxis = trno_SeniorSecuredTermLoanBMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Interest Rate Cap [Member] | Seven-Year $50.0 Million Term Loan [Member] | Maximum [Member] |  |  |
LIBOR margin | 2.30%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateCapMember / us-gaap_LongtermDebtTypeAxis = trno_SeniorSecuredTermLoanBMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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