Organization and Formation of Company - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013 Property State sqft Jointventures
Organization and Formation of Company [Line Items]
Ownership interest of sole general partner	96.00%
General partner preferred units liquidation preference	$ 75,000
Ownership interest of limited partners	4.00%
Number of joint ventures	2
Number of industrial properties owned	697
Number of states in which industrial properties owned are located	25
Gross leasable area (GLA) of industrial properties owned	62,500,000

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

No definition available.

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Area of a real estate property.

No definition available.

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

No definition available.

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

No definition available.

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

No definition available.

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

No definition available.

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

No definition available.

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