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Concentration Of Credit Risk (Details)	May 12, 2014 property sqft	Apr. 22, 2014 sqft property	Mar. 31, 2014 sqft property
Real Estate Properties [Line Items]
Number of buildings	5	1	99
Area of real estate property	494,726	19,326	7,100,000
Northern New Jersey/New York City [Member]
Real Estate Properties [Line Items]
Number of buildings			37
Area of real estate property			2,300,000
Percentage accounted by properties of its annualized base rent			34.40%

X

- Definition

Percentage accounted by properties of its annualized base rent.

+ References

No definition available.

+ Details

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Namespace Prefix:	trno_
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X

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_RealEstatePropertiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration