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Indebtedness - Mortgage Loans Obtained (Detail) (Mortgage Financing I - VI, USD $) | 12 Months Ended
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Dec. 31, 2012 sqft Property
Mortgage Financing I - VI |
Mortgage Loans on Real Estate [Line Items] |
Loan Principal | $ 100,599,000
Interest Rate | 4.03%
Origination Date | Aug. 29, 2012
Maturity Date | Sep. 01, 2022
Amortization Period | 30 years
Number of Industrial Properties Collateralizing Mortgage | 31
GLA | 3,800,000
Property Carrying Value | $ 103,671,000

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