CONSOLIDATED BALANCE SHEET - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Assets:
Properties	$ 4,744,094,000	$ 4,731,061,000
Accumulated depreciation and amortization	(1,610,629,000)	(1,514,992,000)
Real Estate Investment Property, Net	3,133,465,000	3,216,069,000
Investment in Unconsolidated Joint Ventures (UJVs) (Notes 2 and 4)	790,136,000	831,995,000
Cash and cash equivalents (Note 13)	240,808,000	102,762,000
Restricted cash (Note 13)	655,000	656,000
Accounts and notes receivable (Note 1)	169,414,000	95,416,000
Accounts receivable from related parties	797,000	2,112,000
Operating lease right-of-use assets	172,877,000	173,796,000
Deferred charges and other assets	83,282,000	92,659,000
Total Assets	4,591,434,000	4,515,465,000
Liabilities:
Notes payable, net (Note 5)	3,900,937,000	3,710,327,000
Accounts payable and accrued liabilities	254,228,000	268,714,000
Operating lease liabilities	240,912,000	240,777,000
Distributions in excess of investments in and net income of UJVs (Note 4)	470,166,000	473,053,000
Total Liabilities	4,866,243,000	4,692,871,000
Commitments and contingencies (Notes 5, 6, 7, 8, and 9)
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Abstract]
Redeemable noncontrolling interests (Note 6)	0	0
Equity (Deficit):
Series B Non-Participating Convertible Preferred Stock, $0.001 par and liquidation value, 40,000,000 shares authorized, 26,079,064 and 26,398,473 shares issued and outstanding at June 30, 2020 and December 31, 2019	26,000	26,000
Common Stock, $0.01 par value, 250,000,000 shares authorized, 61,615,362 and 61,228,579 shares issued and outstanding at June 30, 2020 and December 31, 2019	616,000	612,000
Additional paid-in capital	745,326,000	741,026,000
Accumulated other comprehensive income (loss) (Note 12)	(54,283,000)	(39,003,000)
Dividends in excess of net income (Note 7)	(772,700,000)	(712,884,000)
Stockholders' Equity Attributable to Parent	(81,015,000)	(10,223,000)
Noncontrolling interests (Note 6)	(193,794,000)	(167,183,000)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(274,809,000)	(177,406,000)
Total Liabilities and Equity	$ 4,591,434,000	$ 4,515,465,000