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Mortgage Notes Payable - Schedule of Mortgage Notes Payable (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 4,560,810 | $ 4,392,599
Chandler Fashion Center |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 255,361 | 255,174
Effective interest rate (as a percent) | 4.18% |
Monthly debt service | $ 875 |
Danbury Fair Mall |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 186,741 | 194,718
Effective interest rate (as a percent) | 5.56% |
Monthly debt service | $ 1,538 |
Fashion District Philadelphia |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 201,000 | 0
Effective interest rate (as a percent) | 4.00% |
Monthly debt service | $ 670 |
Fashion Outlets of Chicago |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 299,193 | 299,112
Effective interest rate (as a percent) | 4.61% |
Monthly debt service | $ 1,145 |
Fashion Outlets of Niagara Falls USA |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 101,463 | 106,398
Effective interest rate (as a percent) | 6.45% |
Monthly debt service | $ 727 |
Freehold Raceway Mall |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 398,545 | 398,379
Effective interest rate (as a percent) | 3.94% |
Monthly debt service | $ 1,300 |
Fresno Fashion Fair |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 323,857 | 323,659
Effective interest rate (as a percent) | 3.67% |
Monthly debt service | $ 971 |
Green Acres Commons |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 129,847 | $ 128,926
Effective interest rate (as a percent) | 2.87% | 4.40%
Monthly debt service | $ 250 |
Green Acres Mall |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 270,570 | $ 277,747
Effective interest rate (as a percent) | 3.61% |
Monthly debt service | $ 1,447 |
Kings Plaza Shopping Center |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 535,413 | 535,097
Effective interest rate (as a percent) | 3.71% |
Monthly debt service | $ 1,629 |
Oaks, The |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 183,108 | 187,142
Effective interest rate (as a percent) | 4.14% |
Monthly debt service | $ 1,064 |
Pacific View |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 114,909 | 118,202
Effective interest rate (as a percent) | 4.08% |
Monthly debt service | $ 668 |
Queens Center |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 600,000 | 600,000
Effective interest rate (as a percent) | 3.49% |
Monthly debt service | $ 1,744 |
Santa Monica Place |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 298,566 | 297,817
Effective interest rate (as a percent) | 1.88% |
Monthly debt service | $ 408 |
SanTan Village Regional Center |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 219,233 | 219,140
Effective interest rate (as a percent) | 4.34% |
Monthly debt service | $ 788 |
Towne Mall |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 19,815 | 20,284
Effective interest rate (as a percent) | 4.48% |
Monthly debt service | $ 117 |
Tucson La Encantada |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 62,018 | 63,682
Effective interest rate (as a percent) | 4.23% |
Monthly debt service | $ 368 |
Victor Valley, Mall of |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 114,791 | 114,733
Effective interest rate (as a percent) | 4.00% |
Monthly debt service | $ 380 |
Vintage Faire Mall |  |
Mortgage loans payable on real estate [Line Items] |  |
Carrying amount of mortgage notes, other | $ 246,380 | $ 252,389
Effective interest rate (as a percent) | 3.55% |
Monthly debt service | $ 1,256 |

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