Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Rentals, net	$ 422,339	$ 472,446	$ 517,836
Other	11,578	14,179	13,311
Total Revenues	433,917	486,625	531,147
Operating Expenses:
Depreciation and amortization	149,930	135,674	161,838
Operating	91,075	94,620	90,554
Real estate taxes, net	62,564	60,813	69,268
Impairment loss	24,153	74	10,120
General and administrative	37,388	35,914	25,040
Total Operating Expenses	365,110	327,095	356,820
Other Income (Expense):
Interest expense, net	(61,148)	(57,601)	(63,348)
Interest and other income, net	7,143	11,003	2,807
Gain on sale of property	65,402	189,914	207,865
Total Other Income	11,397	143,316	147,324
Income Before Income Taxes and Equity in Earnings of Real Estate Joint Ventures and Partnerships	80,204	302,846	321,651
Provision for Income Taxes	(451)	(1,040)	(1,378)
Equity in Earnings of Real Estate Joint Ventures and Partnerships, net	39,206	20,769	25,070
Net Income	118,959	322,575	345,343
Less: Net Income Attributable to Noncontrolling Interests	(6,810)	(7,140)	(17,742)
Net Income Attributable to Common Shareholders	$ 112,149	$ 315,435	$ 327,601
Earnings Per Common Share - Basic:
Net income attributable to common shareholders (dollars per share)	$ 0.88	$ 2.47	$ 2.57
Earnings Per Common Share - Diluted:
Net income attributable to common shareholders (dollars per share)	$ 0.88	$ 2.44	$ 2.55