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Segment Information - Summary of Information about Company's Reportable Operating Segments (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | $ 227,424 | $ 253,800 | $ 704,032 | $ 765,544 |
Rental operation expenses | (59,568) | (68,169) | (192,782) | (213,075) |
Net operating income (loss) | 167,856 | 185,631 | 511,250 | 552,469 |
Impairment charges | (10,284) | (104,877) | (60,353) | (104,877) |
Depreciation and amortization | (85,210) | (95,451) | (266,370) | (290,051) |
Interest income | 6,807 | 9,304 | 22,365 | 27,800 |
Other income (expense), net | (64,340) | (384) | (65,298) | 3,470 |
Unallocated expenses | (71,988) | (73,123) | (227,247) | (222,110) |
Hurricane casualty and impairment loss | (6,089) | 0 | (6,089) | 0 |
Equity in net income (loss) of joint ventures | 4,811 | (1,457) | 2,429 | 14,081 |
Adjustment (reserve) of preferred equity interests | 15,377 | 0 | (60,623) | 0 |
Loss on sale and change in control of interests, net | 0 | (1,087) | 0 | (1,087) |
Income (loss) from continuing operations | (43,060) | (81,444) | (149,936) | (20,305) |
Total gross real estate assets | 8,697,077 | 9,911,432 | 8,697,077 | 9,911,432 |
Notes receivable, net | 19,591 | 44,823 | 19,591 | 44,823 | $ 49,503
Operating Segments [Member] | Shopping Center [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 227,409 | 253,787 | 703,989 | 765,514 |
Rental operation expenses | (59,571) | (68,107) | (192,772) | (212,857) |
Net operating income (loss) | 167,838 | 185,680 | 511,217 | 552,657 |
Impairment charges | (10,284) | (104,877) | (60,353) | (104,877) |
Depreciation and amortization | (85,210) | (95,451) | (266,370) | (290,051) |
Interest income | 0 | 0 | 0 | 0 |
Other income (expense), net | 0 | 0 | 0 | 0 |
Unallocated expenses | 0 | 0 | 0 | 0 |
Hurricane casualty and impairment loss | (6,089) |  | (6,089) |  |
Equity in net income (loss) of joint ventures | 4,811 | (1,457) | 2,429 | 14,081 |
Adjustment (reserve) of preferred equity interests | 0 |  | 0 |  |
Loss on sale and change in control of interests, net |  | (1,087) |  | (1,087) |
Income (loss) from continuing operations | 0 | 0 | 0 | 0 |
Total gross real estate assets | 8,697,077 | 9,911,432 | 8,697,077 | 9,911,432 |
Notes receivable, net | 0 | 0 | 0 | 0 |
Operating Segments [Member] | Loan Investments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 15 | 13 | 43 | 30 |
Rental operation expenses | 3 | (62) | (10) | (218) |
Net operating income (loss) | 18 | (49) | 33 | (188) |
Impairment charges | 0 | 0 | 0 | 0 |
Depreciation and amortization | 0 | 0 | 0 | 0 |
Interest income | 6,807 | 9,304 | 22,365 | 27,800 |
Other income (expense), net | 0 | 0 | 0 | 0 |
Unallocated expenses | 0 | 0 | 0 | 0 |
Hurricane casualty and impairment loss | 0 |  | 0 |  |
Equity in net income (loss) of joint ventures | 0 | 0 | 0 | 0 |
Adjustment (reserve) of preferred equity interests | 15,377 |  | (60,623) |  |
Loss on sale and change in control of interests, net |  | 0 |  | 0 |
Income (loss) from continuing operations | 0 | 0 | 0 | 0 |
Total gross real estate assets | 0 | 0 | 0 | 0 |
Notes receivable, net | 346,888 | 447,070 | 346,888 | 447,070 |
Corporate, Non-Segment [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 0 | 0 | 0 | 0 |
Rental operation expenses | 0 | 0 | 0 | 0 |
Net operating income (loss) | 0 | 0 | 0 | 0 |
Impairment charges | 0 | 0 | 0 | 0 |
Depreciation and amortization | 0 | 0 | 0 | 0 |
Interest income | 0 | 0 | 0 | 0 |
Other income (expense), net | (64,340) | (384) | (65,298) | 3,470 |
Unallocated expenses | (71,988) | (73,123) | (227,247) | (222,110) |
Hurricane casualty and impairment loss | 0 |  | 0 |  |
Equity in net income (loss) of joint ventures | 0 | 0 | 0 | 0 |
Adjustment (reserve) of preferred equity interests | 0 |  | 0 |  |
Loss on sale and change in control of interests, net |  | 0 |  | 0 |
Income (loss) from continuing operations | 0 | 0 | 0 | 0 |
Total gross real estate assets | 0 | 0 | 0 | 0 |
Notes receivable, net | $ (327,297) | $ (402,247) | $ (327,297) | $ (402,247) |

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