CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Leasing revenue	$ 740,323	$ 858,874	$ 883,996
Total revenues	786,026	927,462	960,351
Expenses:
Leasing expense	25,191	29,611
Leasing expense			11,624
REIT general and administrative expenses	30,339	22,634	24,160
Costs related to shareholder activism	0	0	19,369
Depreciation and amortization	319,619	330,726	327,436
Total expenses before interest	697,937	721,313	751,969
Interest (income) expense:
Related parties	(135,281)	(62,517)	6,883
Other	210,831	200,771	176,079
Total interest expense	75,550	138,254	182,962
Loss on extinguishment of debt	0	351	0
Total expenses	773,487	859,918	934,931
Equity in (loss) income of unconsolidated joint ventures	(27,038)	48,508	71,773
Income tax benefit (expense)	447	(1,589)	3,604
Loss on remeasurement of assets	(163,298)	0	0
Loss on sale or write down of assets, net	(68,112)	(11,909)	(31,825)
Net (loss) income	(245,462)	102,554	68,972
Less net (loss) income attributable to noncontrolling interests	(15,259)	5,734	8,952
Net (loss) income attributable to the Company	$ (230,203)	$ 96,820	$ 60,020
Earnings per common share attributable to common stockholders:
Net (loss) income attributable to common stockholders (in dollars per share)	$ (1.58)	$ 0.68	$ 0.42
Net (loss) income attributable to common stockholders (in dollars per share)	$ (1.58)	$ 0.68	$ 0.42
Weighted average number of common shares outstanding:
Basic (in shares)	146,232	141,340	141,142
Diluted (in shares)	146,232	141,340	141,144
Other
Revenues:
Revenues	$ 22,242	$ 27,879	$ 32,875
Management Companies
Revenues:
Revenues	23,461	40,709	43,480
Expenses:
Operating expenses	65,576	66,795	91,910
Shopping center and operating expenses
Expenses:
Operating expenses	$ 257,212	$ 271,547	$ 277,470