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Commitments And Contingencies (Schedule Of Real Estate Property) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015 sqft property	May 06, 2015 property sqft
Real Estate Properties [Line Items]
Number of buildings	137us-gaap_NumberOfRealEstateProperties
Square feet of industrial buildings acquired	10,400,000.0us-gaap_AreaOfRealEstateProperty
Commitments [Member]
Real Estate Properties [Line Items]
Number of buildings		8us-gaap_NumberOfRealEstateProperties / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember
Square feet of industrial buildings acquired		438,774.0us-gaap_AreaOfRealEstateProperty / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember
Purchase Price		$ 58,866us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember
Assumed Debt		4,808trno_DebtAssumedOnProperties / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember
Northern New Jersey/New York City [Member]
Real Estate Properties [Line Items]
Number of buildings	41us-gaap_NumberOfRealEstateProperties / us-gaap_StatementGeographicalAxis = trno_NorthernNewJerseyAndNewYorkMember
Square feet of industrial buildings acquired	2,600,000.0us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = trno_NorthernNewJerseyAndNewYorkMember
Northern New Jersey/New York City [Member] | Improved Land Parcel [Member]
Real Estate Properties [Line Items]
Number of buildings		1us-gaap_NumberOfRealEstateProperties / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = trno_ImprovedLandParcelMember / us-gaap_StatementGeographicalAxis = trno_NorthernNewJerseyAndNewYorkMember
Square feet of industrial buildings acquired		4.5us-gaap_AreaOfRealEstateProperty / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = trno_ImprovedLandParcelMember / us-gaap_StatementGeographicalAxis = trno_NorthernNewJerseyAndNewYorkMember
Northern New Jersey/New York City [Member] | Commitments [Member]
Real Estate Properties [Line Items]
Purchase Price		9,416us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember / us-gaap_StatementGeographicalAxis = trno_NorthernNewJerseyAndNewYorkMember
San Francisco Bay Area [Member] | Commitments [Member]
Real Estate Properties [Line Items]
Number of buildings		4us-gaap_NumberOfRealEstateProperties / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember / us-gaap_StatementGeographicalAxis = trno_SanFranciscoBayAreaMember
Square feet of industrial buildings acquired		300,620.0us-gaap_AreaOfRealEstateProperty / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember / us-gaap_StatementGeographicalAxis = trno_SanFranciscoBayAreaMember
Purchase Price		37,200us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember / us-gaap_StatementGeographicalAxis = trno_SanFranciscoBayAreaMember
Seattle [Member] | Commitments [Member]
Real Estate Properties [Line Items]
Number of buildings		4us-gaap_NumberOfRealEstateProperties / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember / us-gaap_StatementGeographicalAxis = trno_SeattleMember
Square feet of industrial buildings acquired		138,154.0us-gaap_AreaOfRealEstateProperty / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember / us-gaap_StatementGeographicalAxis = trno_SeattleMember
Purchase Price		12,250us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember / us-gaap_StatementGeographicalAxis = trno_SeattleMember
Assumed Debt		4,808trno_DebtAssumedOnProperties / us-gaap_FairValueByLiabilityClassAxis = us-gaap_CommitmentsMember / us-gaap_StatementGeographicalAxis = trno_SeattleMember
Miami [Member] | Commitments [Member]
Real Estate Properties [Line Items]
Number of buildings
Square feet of industrial buildings acquired
Purchase Price
Assumed Debt
Washington DC and Baltimore [Member]
Real Estate Properties [Line Items]
Number of buildings	25us-gaap_NumberOfRealEstateProperties / us-gaap_StatementGeographicalAxis = trno_WashingtonDcAndBaltimoreMember
Square feet of industrial buildings acquired	2,700,000.0us-gaap_AreaOfRealEstateProperty / us-gaap_StatementGeographicalAxis = trno_WashingtonDcAndBaltimoreMember

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472

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