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Investments in Unconsolidated Joint Ventures - Schedules of Combined Financial Statements for the Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Assets |  |  |  |  |  |  |  |  |  |  |
Commercial real estate property, net | $ 6,724,007 |  |  |  | $ 6,414,798 |  |  |  | $ 6,724,007 | $ 6,414,798 |
Cash and restricted cash | 166,070 |  |  |  | 129,475 |  |  |  | 166,070 | 129,475 | $ 127,888
Tenant and other receivables and deferred rents receivable | 43,968 |  |  |  | 41,589 |  |  |  | 43,968 | 41,589 |
Debt and preferred equity investments | 1,580,306 |  |  |  | 2,099,393 |  |  |  | 1,580,306 | 2,099,393 |
Other assets | 332,801 |  |  |  | 295,679 |  |  |  | 332,801 | 295,679 |
Liabilities and equity |  |  |  |  |  |  |  |  |  |  |
Mortgages and other loans payable, net | 2,183,253 |  |  |  | 1,961,240 |  |  |  | 2,183,253 | 1,961,240 |
Lease liabilities | 381,671 |  |  |  | 3,603 |  |  |  | 381,671 | 3,603 |
Other liabilities | 177,080 |  |  |  | 116,566 |  |  |  | 177,080 | 116,566 |
Company's investments in unconsolidated joint ventures | 2,912,842 |  |  |  | 3,019,020 |  |  |  | 2,912,842 | 3,019,020 |
Investments difference between carrying amount and underlying equity | 133,100 |  |  |  |  |  |  |  | 133,100 |  |
Combined statements of income for the unconsolidated joint ventures |  |  |  |  |  |  |  |  |  |  |
Real estate taxes |  |  |  |  |  |  |  |  | 190,764 | 186,351 | 244,323
Amortization of deferred financing costs |  |  |  |  |  |  |  |  | 11,653 | 12,408 | 16,498
Transaction related costs |  |  |  |  |  |  |  |  | 729 | 1,099 | (1,834)
Depreciation and amortization |  |  |  |  |  |  |  |  | 272,358 | 279,507 | 403,320
Total expenses | 252,712 | $ 263,341 | $ 258,383 | $ 260,328 | 267,678 | $ 265,553 | $ 258,303 | $ 258,282 | 1,034,764 | 1,049,816 | 1,346,445
Company's equity in net (loss) income from unconsolidated joint ventures | (11,874) | $ (9,864) | $ (7,546) | $ (5,234) | (2,398) | $ 971 | $ 4,702 | $ 4,036 | (34,518) | 7,311 | 21,892
Joint venture |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |
Commercial real estate property, net | 14,349,628 |  |  |  | 14,347,673 |  |  |  | 14,349,628 | 14,347,673 |
Cash and restricted cash | 336,189 |  |  |  | 381,301 |  |  |  | 336,189 | 381,301 |
Tenant and other receivables and deferred rents receivable | 371,065 |  |  |  | 273,141 |  |  |  | 371,065 | 273,141 |
Debt and preferred equity investments | 0 |  |  |  | 44,357 |  |  |  | 0 | 44,357 |
Other assets | 2,039,429 |  |  |  | 2,187,166 |  |  |  | 2,039,429 | 2,187,166 |
Total assets | 17,096,311 |  |  |  | 17,233,638 |  |  |  | 17,096,311 | 17,233,638 |
Liabilities and equity |  |  |  |  |  |  |  |  |  |  |
Mortgages and other loans payable, net | 8,951,869 |  |  |  | 8,950,622 |  |  |  | 8,951,869 | 8,950,622 |
Deferred revenue | 1,501,616 |  |  |  | 1,660,838 |  |  |  | 1,501,616 | 1,660,838 |
Lease liabilities | 897,380 |  |  |  | 637,168 |  |  |  | 897,380 | 637,168 |
Other liabilities | 308,304 |  |  |  | 309,145 |  |  |  | 308,304 | 309,145 |
Equity | 5,437,142 |  |  |  | 5,675,865 |  |  |  | 5,437,142 | 5,675,865 |
Total liabilities and equity | 17,096,311 |  |  |  | $ 17,233,638 |  |  |  | 17,096,311 | 17,233,638 |
Company's investments in unconsolidated joint ventures | $ 2,912,842 |  |  |  |  |  |  |  | 2,912,842 |  |
Combined statements of income for the unconsolidated joint ventures |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 1,163,534 | 1,244,804 | 904,230
Operating expenses |  |  |  |  |  |  |  |  | 202,881 | 219,440 | 157,610
Real estate taxes |  |  |  |  |  |  |  |  | 212,355 | 226,961 | 142,774
Operating lease, rent |  |  |  |  |  |  |  |  | 24,816 | 18,697 | 16,794
Interest expense, net of interest income |  |  |  |  |  |  |  |  | 372,408 | 363,055 | 250,063
Amortization of deferred financing costs |  |  |  |  |  |  |  |  | 19,336 | 21,634 | 23,026
Transaction related costs |  |  |  |  |  |  |  |  | 0 | 0 | 146
Depreciation and amortization |  |  |  |  |  |  |  |  | 407,697 | 421,458 | 279,419
Total expenses |  |  |  |  |  |  |  |  | 1,239,493 | 1,271,245 | 869,832
Loss on early extinguishment of debt |  |  |  |  |  |  |  |  | (1,031) | 0 | (7,899)
Net (loss) income before gain on sale |  |  |  |  |  |  |  |  | (76,990) | (26,441) | 26,499
Company's equity in net (loss) income from unconsolidated joint ventures |  |  |  |  |  |  |  |  | (34,518) | 7,311 | 21,892
Management Service, Base | Joint venture |  |  |  |  |  |  |  |  |  |  |
Investment in Unconsolidated Joint Ventures |  |  |  |  |  |  |  |  |  |  |
Management fees, base revenue |  |  |  |  |  |  |  |  | $ 13,000 | $ 14,200 | $ 22,600

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