XML 31 R37.htm IDEA: XBRL DOCUMENT v2.4.1.9
Organization (Details)
 12 Months Ended
Dec. 31, 2014
item
property
sqft
Feb. 11, 2015
property
sqft
Organization [Line Items]    
Number of markets 6us-gaap_NumberOfOperatingSegments  
Number of buildings 126us-gaap_NumberOfRealEstateProperties 11us-gaap_NumberOfRealEstateProperties
Area of real estate property 9,300,000us-gaap_AreaOfRealEstateProperty 641,593us-gaap_AreaOfRealEstateProperty
Washington DC and Baltimore [Member]    
Organization [Line Items]    
Number of buildings 1us-gaap_NumberOfRealEstateProperties
/ us-gaap_StatementGeographicalAxis
= trno_WashingtonDcAndBaltimoreMember		 1us-gaap_NumberOfRealEstateProperties
/ us-gaap_StatementGeographicalAxis
= trno_WashingtonDcAndBaltimoreMember
Area of real estate property   115,287us-gaap_AreaOfRealEstateProperty
/ us-gaap_StatementGeographicalAxis
= trno_WashingtonDcAndBaltimoreMember