Business And Organization (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended
Sep. 30, 2012 property	Sep. 30, 2012 RioCan Real Estate Investment Trust [Member] property	Oct. 10, 2012 Franklin Village [Member]
Business And Organization [Line Items]
Number of properties	67	22
OP units outstanding	281,000
Equity Method Investment, Ownership Percentage		20.00%	100.00%
Value of ownership interest			$ 75.1
Assumption of mortgage financing related to the exchange agreement			43.1
Cash received in exchange agreement			40.0
Company's interest in Operating Partnership	99.60%
Limited partners' interest in Operating Partnership	0.40%
Accrued severance arrangements		$ 1.1

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The number of units or percentage investment held by the managing member or general partner of the LLC or LP.

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