Consolidated Statements of Equity (Unaudited) (Parenthetical) (USD $) In Thousands, except Per Share data	6 Months Ended
	Jun. 30, 2011
Net offering cost on issuance of shares	$ 4,153
Dividends on common shares	$ 0.35
Distributions on LTIP	$ 0.35
Common shares
Net offering cost on issuance of shares	4,153
Additional Paid-In Capital
Net offering cost on issuance of shares	4,153
Accumulated Deficit
Dividends on common shares	$ 0.35
Total Shareholders' Equity
Net offering cost on issuance of shares	$ 4,153
Dividends on common shares	$ 0.35
Noncontrolling Interest in Operating Partnership
Distributions on LTIP	$ 0.35