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Combined Guarantor Subsidiaries - Segment Information - Summary (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total revenues | [1] | $ 124,211,000 | $ 193,377,000 | $ 291,785,000 | $ 391,407,000 |
Property operating expenses | [2] | (40,785,000) | (56,978,000) | (96,150,000) | (118,653,000) |
Interest expense |  | (52,631,000) | (52,482,000) | (99,623,000) | (106,480,000) |
Gain on sales of real estate assets |  |  |  | 2,763,000 | 5,755,000 |
Segment profit (loss) |  | 33,176,000 | 89,410,000 | 98,375,000 | 171,995,000 |
Depreciation and amortization |  | (52,663,000) | (64,478,000) | (108,565,000) | (134,270,000) |
Interest and other income |  | 891,000 | 356,000 | 3,288,000 | 845,000 |
Net income |  | (72,793,000) | (29,688,000) | (212,087,000) | (76,497,000) |
Capital expenditures | [3] | 11,131,000 | 32,973,000 | 31,463,000 | 61,112,000 |
Other |  | (242,000) | (34,000) | (400,000) | (34,000) |
Gain (loss) on sales of real estate assets |  | 2,623,000 | 5,527,000 | 2,763,000 | 5,755,000 |
Gain on extinguishment of debt |  |  |  |  | 71,722,000 |
Loss on impairment |  | (13,274,000) | (41,608,000) | (146,918,000) | (66,433,000) |
Assets, Unconsolidated | [4] | 4,655,159,000 |  | 4,655,159,000 |  | $ 4,622,346,000
Malls |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total revenues | [1] | 112,002,000 | 170,976,000 | 265,353,000 | 354,840,000 |
Property operating expenses | [2] | (38,385,000) | (53,599,000) | (90,483,000) | (110,780,000) |
Interest expense |  | (18,960,000) | (21,556,000) | (37,107,000) | (44,746,000) |
Segment profit (loss) |  | 54,657,000 | 98,299,000 | 137,738,000 | 201,792,000 |
Capital expenditures | [3] | 9,754,000 | 31,560,000 | 27,810,000 | 59,584,000 |
Gain (loss) on sales of real estate assets |  |  | 2,478,000 | (25,000) | 2,478,000 |
Assets, Unconsolidated |  | 3,994,951,000 |  | 3,994,951,000 |  | 4,180,515,000
All Other |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total revenues | [1],[5] | 12,209,000 | 22,401,000 | 26,432,000 | 36,567,000 |
Property operating expenses | [2],[5] | (2,400,000) | (3,379,000) | (5,667,000) | (7,873,000) |
Interest expense | [5] | (33,671,000) | (30,926,000) | (62,516,000) | (61,734,000) |
Segment profit (loss) | [5] | (21,481,000) | (8,889,000) | (39,363,000) | (29,797,000) |
Capital expenditures | [3],[5] | 1,377,000 | 1,413,000 | 3,653,000 | 1,528,000 |
Other | [5] | (242,000) | (34,000) | (400,000) | (34,000) |
Gain (loss) on sales of real estate assets | [5] | 2,623,000 | 3,049,000 | 2,788,000 | 3,277,000 |
Assets, Unconsolidated | [5] | 660,208,000 |  | 660,208,000 |  | 441,831,000
Guarantor Subsidiaries |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total revenues | [6] | 47,983,000 | 68,868,000 | 113,410,000 | 141,859,000 |
Property operating expenses | [7] | (15,757,000) | (20,421,000) | (37,753,000) | (43,186,000) |
Interest expense |  | (4,334,000) | (3,412,000) | (8,106,000) | (7,397,000) |
Gain on sales of real estate assets |  | 650,000 |  | 650,000 |  |
Segment profit (loss) |  | 28,542,000 | 44,408,000 | 68,201,000 | 90,649,000 |
Depreciation and amortization |  | (21,437,000) | (22,717,000) | (43,301,000) | (46,818,000) |
Interest and other income |  | 952,000 | 1,084,000 | 1,992,000 | 2,027,000 |
Net income |  | 8,057,000 | 22,775,000 | 26,892,000 | 84,884,000 |
Capital expenditures | [8] | 4,346,000 | 15,934,000 | 12,274,000 | 18,552,000 |
Other |  |  | (627,000) |  | (627,000) |
Gain (loss) on sales of real estate assets |  | 650,000 |  | 650,000 |  |
Gain on extinguishment of debt |  |  |  |  | 61,796,000 |
Loss on impairment |  |  |  |  | (22,770,000) |
Assets, Unconsolidated |  | 1,642,211,000 |  | 1,642,211,000 |  | 1,657,113,000
Guarantor Subsidiaries | Malls |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total revenues |  | 45,941,000 | 66,403,000 | 108,985,000 | 136,803,000 |
Property operating expenses | [7] | (15,329,000) | (19,840,000) | (36,719,000) | (42,009,000) |
Interest expense |  | (4,334,000) | (3,412,000) | (8,106,000) | (7,397,000) |
Gain on sales of real estate assets |  | 650,000 |  |  |  |
Segment profit (loss) |  | 26,928,000 | 42,524,000 | 64,810,000 | 86,770,000 |
Capital expenditures | [8] | 4,312,000 | 15,911,000 | 11,615,000 | 18,529,000 |
Other |  |  | (627,000) |  | (627,000) |
Gain (loss) on sales of real estate assets |  |  |  | 650,000 |  |
Assets, Unconsolidated |  | 1,505,640,000 |  | 1,505,640,000 |  | 1,519,558,000
Guarantor Subsidiaries | All Other |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total revenues | [9] | 2,042,000 | 2,465,000 | 4,425,000 | 5,056,000 |
Property operating expenses | [7],[9] | (428,000) | (581,000) | (1,034,000) | (1,177,000) |
Segment profit (loss) | [9] | 1,614,000 | 1,884,000 | 3,391,000 | 3,879,000 |
Capital expenditures | [8],[9] | 34,000 | $ 23,000 | 659,000 | $ 23,000 |
Assets, Unconsolidated | [9] | $ 136,571,000 |  | $ 136,571,000 |  | $ 137,555,000
[1] | Management, development and leasing fees are included in the All Other category. See Note 3 for information on the Company's revenues disaggregated by revenue source for each of the above segments.
[2] | Property operating expenses include property operating, real estate taxes and maintenance and repairs.
[3] | Includes additions to and acquisitions of real estate assets and investments in unconsolidated affiliates. Developments in progress are included in the All Other category.
[4] | As of June 30, 2020, includes $369,359 of assets related to consolidated variable interest entities that can be used only to settle obligations of the consolidated variable interest entities and $171,518 of liabilities of consolidated variable interest entities for which creditors do not have recourse to the general credit of the Company. See Note 7
[5] | The All Other category includes associated centers, community centers, mortgage and other notes receivable, office buildings, self-storage facilities, corporate-level debt and the Management Company.
[6] | Sales taxes are excluded from revenues.
[7] | Property operating expenses include property operating, real estate taxes and maintenance and repairs.
[8] | Amounts include acquisitions of real estate assets. Developments in progress are included in the All Other category.
[9] | The All Other category includes associated centers and notes receivable.

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