CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Series D Cumulative Redeemable Preferred Stock Preferred Stock	Series D Cumulative Redeemable Preferred Stock Cumulative Dividends	Common Stock	Additional Paid In Capital	Retained Earnings	Cumulative Dividends	Non-Controlling Interests in Consolidated Joint Ventures	Total
Beginning Balance at Dec. 31, 2014	$ 115,000		$ 2,048	$ 2,418,567	$ 305,503	$ (624,545)	$ 52,261	$ 2,268,834
Beginning Balance (in shares) at Dec. 31, 2014	4,600,000		204,766,718
Increase (Decrease) in Stockholders' Equity
Vesting of restricted common stock			6	(1,175)				(1,169)
Vesting of restricted common stock (in shares)			624,227
Distributions to non-controlling interests							(1,457)	(1,457)
Issuance of common stock dividends			21					37,349
Issuance of common stock dividends (in shares)			2,127,565
Common stock dividends payable						(10,434)		(10,434)
Preferred dividends payable		(2,300)						(2,300)
Net income (loss)					(978)		2,181	1,203
Ending Balance at Mar. 31, 2015	$ 115,000		$ 2,075	$ 2,454,720	$ 304,525	$ (637,279)	$ 52,985	$ 2,292,026
Ending Balance (in shares) at Mar. 31, 2015	4,600,000		207,518,510