Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Real estate
Land	$ 249,030	$ 286,430
Building and improvements, net	1,360,923	1,482,336
Total real estate	1,609,953	1,768,766
Cash and cash equivalents	5,764	31,442
Restricted cash	32,761	35,324
Accounts receivable, net	75,466	83,380
Prepaid expenses and other assets	7,222	7,129
Investments in unconsolidated entities	39,422	39,885
Deferred financing fees, net	10,690	10,783
Lease intangibles, net	77,643	94,690
Other intangible assets, net	2,114	2,144
Assets associated with real estate held for sale	255,130	137,640
Total assets	2,116,165	2,211,183
Liabilities
Notes payable	1,124,475	1,194,085
Accounts payable	1,118	2,790
Payables to related parties	2,257	2,041
Accrued liabilities	65,713	77,375
Acquired below-market leases, net	14,381	16,984
Other liabilities	25,797	21,405
Obligations associated with real estate held for sale	104,457	108,343
Total liabilities	1,338,198	1,423,023
Commitments and contingencies
Series A Convertible Preferred Stock	4,626	4,626
Equity
Preferred stock, $.0001 par value per share; 17,490,000 shares authorized, none outstanding	0	0
Convertible stock, $.0001 par value per share; 1,000 shares authorized, none outstanding	0	0
Common stock, $.0001 par value per share; 382,499,000 shares authorized, 299,406,078 and 299,264,100 shares issued and outstanding at March 31, 2015, and December 31, 2014, respectively	30	30
Additional paid-in capital	2,646,122	2,645,902
Cumulative distributions and net loss attributable to common stockholders	(1,868,447)	(1,862,555)
Accumulated other comprehensive loss	(5,336)	(788)
Stockholders' equity	772,369	782,589
Noncontrolling interests	972	945
Total equity	773,341	783,534
Total liabilities and equity	$ 2,116,165	$ 2,211,183