Issuance of Common Stock

6 Months Ended

Jun. 30, 2011

Issuance of Common Stock [Abstract]

Issuance of Common Stock

7. Issuance of Common Stock

In March 2011, we issued 8,625,000 shares of common stock at a price of $34.81 per share. After underwriting discounts and other offering costs of approximately $14.6 million, the net proceeds of approximately $285.6 million were used to fund a substantial portion of the previously announced property acquisitions aggregating approximately $544 million.