CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues:
Leasing revenue	$ 858,874	$ 883,996
Leasing revenue		883,996	$ 922,152
Total revenues	927,462	960,351	993,662
Expenses:
Leasing expense	29,611
Leasing expenses		11,624	12,420
REIT general and administrative expenses	22,634	24,160	28,240
Costs related to shareholder activism	0	19,369	0
Depreciation and amortization	330,726	327,436	335,431
Total expenses before interest	721,313	751,969	758,982
Interest (income) expense:
Related parties	(62,517)	6,883	8,731
Other	200,771	176,079	163,045
Total interest expense	138,254	182,962	171,776
Loss on extinguishment of debt	351	0	0
Total expenses	859,918	934,931	930,758
Equity in income of unconsolidated joint ventures	48,508	71,773	85,546
Co-venture expense	0	0	(13,629)
Income tax (expense) benefit	(1,589)	3,604	(15,594)
(Loss) gain on sale or write down of assets, net	(11,909)	(31,825)	42,446
Net income	102,554	68,972	161,673
Less net income attributable to noncontrolling interests	5,734	8,952	15,543
Net income attributable to the Company	$ 96,820	$ 60,020	$ 146,130
Earnings per common share attributable to common stockholders:
Net income attributable to common stockholders (dollars per share)	$ 0.68	$ 0.42	$ 1.02
Net income attributable to common stockholders (dollars per share)	$ 0.68	$ 0.42	$ 1.02
Weighted average number of common shares outstanding:
Basic (shares)	141,340	141,142	141,877
Diluted (shares)	141,340	141,144	141,913
Other
Revenues:
Revenues	$ 27,879	$ 32,875	$ 28,116
Management Companies
Revenues:
Revenues	40,709	43,480	43,394
Expenses:
Operating expenses	66,795	91,910	87,701
Shopping center and operating expenses
Expenses:
Operating expenses	$ 271,547	$ 277,470	$ 295,190