Subsequent Events	6 Months Ended
Jun. 30, 2011
Subsequent Events	12. Subsequent Events The Company has evaluated subsequent events through the date on which this Form 10-Q was filed, the date on which these financial statements were issued, and identified the following for disclosure. In July 2011, the Company issued an additional 256,167 shares under CEP II at an average price of $127.90 per share for aggregate net proceeds of $32,271,000. Also in July 2011, Fund II acquired Captain Parker Arms, a garden-style community consisting of 94 apartment homes located in Lexington, MA. The community was acquired for a purchase price of $20,850,000.

Subsequent Events

6 Months Ended

Jun. 30, 2011

12. Subsequent Events

The Company has evaluated subsequent events through the date on which this Form 10-Q was filed, the date on which these financial statements were issued, and identified the following for disclosure.

In July 2011, the Company issued an additional 256,167 shares under CEP II at an average price of $127.90 per share for aggregate net proceeds of $32,271,000.

Also in July 2011, Fund II acquired Captain Parker Arms, a garden-style community consisting of 94 apartment homes located in Lexington, MA. The community was acquired for a purchase price of $20,850,000.