XML 60 R26.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Organization and Formation of Company - Additional Information (Detail) | Sep. 30, 2012 State Province sqft Jointventures Property
--- | ---
Organization And Formation Of Company [Line Items] |
Ownership interest of sole general partner | 95.20%
Ownership interest of limited partners | 4.80%
Number of industrial properties owned | 716
Number of Joint Ventures | 2
Number of states in which industrial properties are located | 26
Number of provinces in which industrial properties are located | 1
Gross Leasable Area (GLA) of industrial properties owned | 62,700,000
2007 Europe Joint Venture [Member] |
Organization And Formation Of Company [Line Items] |
Number of industrial properties owned | 0

X
- Definition Noncontrolling interest ownership percentage by parent . + References No definition available. + Details
Name: | fr_NoncontrollingInterestOwnershipPercentageByParent
Namespace Prefix: | fr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of joint ventures that the entity owns a non-controlling interest in as of the balance sheet date. + References No definition available. + Details
Name: | fr_NumberOfJointVentures
Namespace Prefix: | fr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of provinces in Canada in which the entity operates as of the balance sheet date. + References No definition available. + Details
Name: | fr_NumberOfProvincesInWhichEntityOperates
Namespace Prefix: | fr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | fr_OrganizationAndFormationOfCompanyLineItems
Namespace Prefix: | fr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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 equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant