Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets
Real Estate Investment Property, Net	$ 4,713,091	$ 4,851,302
Land held for development	20,168	23,225
Property under development	42,362	57,630
Operating Lease, Right-of-Use Asset	180,808	163,766
Financing Receivable, after Allowance for Credit Loss, Current	370,159	365,628
Investment in joint ventures	36,670	28,208
Cash and cash equivalents	288,822	1,025,577
Restricted cash	1,079	2,433
Accounts receivable, net	78,073	116,193
Other assets	69,918	70,223
Total assets	5,801,150	6,704,185
Liabilities:
Accounts payable and accrued liabilities	73,462	105,379
Operating Lease, Liability	218,795	202,223
Dividends Payable, Current	18,896	36
Preferred dividends payable	6,034	6,034
Unearned rents and interest	61,559	65,485
Debt	2,804,365	3,694,443
Total liabilities	3,183,111	4,073,600
Equity:
Common Stock, Value, Issued	822	819
Preferred shares, $.01 par value; 25,000,000 shares authorized:
Additional paid-in-capital	3,876,817	3,857,632
Treasury Stock, Value	(264,817)	(261,238)
Accumulated other comprehensive income	9,955	216
Distributions in excess of net income	(1,004,886)	(966,992)
Equity	2,618,039	2,630,585
Total liabilities and equity	5,801,150	6,704,185
Series C Preferred Shares [Member]
Preferred shares, $.01 par value; 25,000,000 shares authorized:
Preferred shares	54	54
Series E Preferred Shares [Member]
Preferred shares, $.01 par value; 25,000,000 shares authorized:
Preferred shares	34	34
Series G Preferred Stock [Member]
Preferred shares, $.01 par value; 25,000,000 shares authorized:
Preferred shares	$ 60	$ 60