CONSOLIDATED BALANCE SHEET - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Assets:
Properties	$ 4,805,995,000	$ 4,717,569,000
Accumulated depreciation and amortization	(1,510,185,000)	(1,404,692,000)
Real Estate Investment Property, Net	3,295,810,000	3,312,877,000
Investment in Unconsolidated Joint Ventures (Notes 1, 2, and 4)	825,138,000	673,616,000
Cash and cash equivalents (Note 13)	62,572,000	48,372,000
Restricted cash (Note 13)	662,000	94,557,000
Accounts and notes receivable (Note 1)	84,446,000	77,730,000
Accounts receivable from related parties	5,680,000	1,818,000
Operating lease right-of-use assets (Note 1)	174,633,000
Deferred charges and other assets	87,911,000	135,136,000
Total Assets	4,536,852,000	4,344,106,000
Liabilities:
Notes payable, net (Note 5)	3,634,165,000	3,830,195,000
Accounts payable and accrued liabilities	269,295,000	336,208,000
Operating lease liabilities (Note 1)	241,066,000
Distributions in excess of investments in and net income of Unconsolidated Joint Ventures (Notes 1 and 4)	481,315,000	477,800,000
Total Liabilities	4,625,841,000	4,644,203,000
Commitments and contingencies (Notes 1, 5, 6, 7, 8, and 9)
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Abstract]
Redeemable noncontrolling interests (Note 6)	0	7,800,000
Equity (Deficit):
Series B Non-Participating Convertible Preferred Stock, $0.001 par and liquidation value, 40,000,000 shares authorized, 26,413,117 and 24,862,994 shares issued and outstanding at September 30, 2019 and December 31, 2018	26,000	25,000
Common Stock, $0.01 par value, 250,000,000 shares authorized, 61,213,170 and 61,069,108 shares issued and outstanding at September 30, 2019 and December 31, 2018	612,000	611,000
Additional paid-in capital	740,314,000	676,097,000
Accumulated other comprehensive income (loss) (Note 12)	(46,967,000)	(25,376,000)
Dividends in excess of net income (Notes 1 and 7)	(637,055,000)	(744,230,000)
Stockholders' Equity Attributable to Parent	56,930,000	(92,873,000)
Noncontrolling interests (Notes 1 and 6)	(145,919,000)	(215,024,000)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(88,989,000)	(307,897,000)
Total Liabilities and Equity	$ 4,536,852,000	$ 4,344,106,000