Organization and Formation of Partnership - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013 Property Jointventures sqft State
Organization and Formation of Partnership [Line Items]
Ownership interest of sole general partner	96.00%
Ownership interest of limited partners	4.00%
General partner preferred units liquidation preference	$ 125,000
Number of joint ventures	2
Number of industrial properties owned	638
Number of states in which industrial properties owned are located	24
Gross leasable area (GLA) of industrial properties owned	55,300,000
Other Real Estate Partnerships
Organization and Formation of Partnership [Line Items]
Minimum ownership interest in limited partnerships	99.00%
Minimum ownership interest of limited partnerships	0.01%
Number of limited partnerships	8
Number of industrial properties owned	66
Gross leasable area (GLA) of industrial properties owned	7,600,000

Minimum ownership interest in limited partnerships.

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Minimum ownership interest of limited partnerships.

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- Definition

The number of joint ventures that the entity owns a non-controlling interest in as of the balance sheet date.

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Number of limited partnership.

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- Definition

Area of a real estate property.

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No definition available.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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No definition available.

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

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No definition available.

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The number of states the entity operates in as of the balance sheet date.

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- Definition

Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

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