Partners' Equity of the Operating Partnership (Notes)

12 Months Ended

Dec. 31, 2011

Schedule of Partners' Equity of the Operating Partnership [Line Items]

Partners' Capital Notes Disclosure [Text Block]

Partners' Equity of the Operating Partnership

When the Company issues common shares upon exercise of options or issuance of restricted share awards, the Operating Partnership issues a corresponding unit to the Company on a four shares for one unit basis. At December 31, 2011 and December 31, 2010, the ownership interests of the Operating Partnership consisted of the following:



	December 31, 2011	December 31, 2010
Common units:
General partner	250,000	237,000
Limited partners	24,304,887	23,045,322
Total common units	24,554,887	23,282,322

- Definition

The entire disclosure for the formation, structure, control and ownership of the partnership. Disclosures related to accounts comprising partners' capital. Includes balances of general partners' capital account, limited partners' capital account, preferred partners' capital account and total partners' capital account and units outstanding; accumulated other comprehensive income; amount and nature of changes to amount of partner's capital and units outstanding by class, rights and privileges for each class of units; distribution policies and distributions paid by unit class; impact of and correction of an error in previously issued financial statements; limitations of partners' liability; redemption, conversion and distribution policies; and deferred compensation related to the issuance of units.

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