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Investments in Joint Ventures - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2013 Property sqft | Mar. 31, 2012 | Dec. 31, 2012
Schedule of Equity Method Investments [Line Items] |  |  |
Number of industrial properties owned | 710 |  |
Gross Leasable Area (GLA) of industrial properties owned | 63,200,000 |  |
Investment in Joint Venture | $ 1,043 |  | $ 1,012
Receivables from Joint Ventures | 18 |  | 19
Fees received from joint ventures | 58 | 76 |
2003 Net Lease Joint Venture |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of industrial properties owned | 5 |  |
Gross Leasable Area (GLA) of industrial properties owned | 2,700,000 |  |
Investment in Joint Venture | $ 1,043 |  |
2007 Europe Joint Venture |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of industrial properties owned | 0 |  |
Equity interest | 10.00% |  |

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