Mortgage Notes Payable - Schedule of Mortgage Notes Payable (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Mortgage loans payable on real estate
Long-term Debt	$ 4,423,554	$ 4,560,810
Chandler Fashion Center
Mortgage loans payable on real estate
Long-term Debt	$ 255,548	255,361
Effective Interest Rate (as a percent)	4.18%
Monthly Debt Service	$ 875
Danbury Fair Mall
Mortgage loans payable on real estate
Long-term Debt	$ 168,037	186,741
Effective Interest Rate (as a percent)	5.71%
Monthly Debt Service	$ 1,538
Fashion District Philadelphia
Mortgage loans payable on real estate
Long-term Debt	$ 194,602	201,000
Effective Interest Rate (as a percent)	4.00%
Monthly Debt Service	$ 649
Fashion Outlets of Chicago
Mortgage loans payable on real estate
Long-term Debt	$ 299,274	299,193
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
Long-term Debt	$ 95,329	101,463
Effective Interest Rate (as a percent)	6.45%
Monthly Debt Service	$ 727
Freehold Raceway Mall
Mortgage loans payable on real estate
Long-term Debt	$ 398,711	398,545
Effective Interest Rate (as a percent)	3.94%
Monthly Debt Service	$ 1,300
Fresno Fashion Fair
Mortgage loans payable on real estate
Long-term Debt	$ 324,056	323,857
Effective Interest Rate (as a percent)	3.67%
Monthly Debt Service	$ 971
Green Acres Commons
Mortgage loans payable on real estate
Long-term Debt	$ 124,875	129,847
Effective Interest Rate (as a percent)	3.12%
Monthly Debt Service	$ 298
Green Acres Mall
Mortgage loans payable on real estate
Long-term Debt	$ 246,061	270,570
Effective Interest Rate (as a percent)	3.94%
Monthly Debt Service	$ 1,447
Kings Plaza Shopping Center
Mortgage loans payable on real estate
Long-term Debt	$ 535,928	535,413
Effective Interest Rate (as a percent)	3.71%
Monthly Debt Service	$ 1,629
Oaks, The
Mortgage loans payable on real estate
Long-term Debt	$ 176,721	183,108
Effective Interest Rate (as a percent)	4.14%
Monthly Debt Service	$ 1,064
Pacific View
Mortgage loans payable on real estate
Long-term Debt	$ 111,481	114,909
Effective Interest Rate (as a percent)	4.08%
Monthly Debt Service	$ 668
Queens Center
Mortgage loans payable on real estate
Long-term Debt	$ 600,000	600,000
Effective Interest Rate (as a percent)	3.49%
Monthly Debt Service	$ 1,744
Santa Monica Place - Swapped
Mortgage loans payable on real estate
Long-term Debt	$ 299,314	298,566
Effective Interest Rate (as a percent)	1.84%
Monthly Debt Service	$ 396
SanTan Village Regional Center
Mortgage loans payable on real estate
Long-term Debt	$ 219,323	219,233
Effective Interest Rate (as a percent)	4.34%
Monthly Debt Service	$ 788
Towne Mall
Mortgage loans payable on real estate
Long-term Debt	$ 19,320	19,815
Effective Interest Rate (as a percent)	4.48%
Monthly Debt Service	$ 117
Tucson La Encantada
Mortgage loans payable on real estate
Long-term Debt	$ 0	62,018
Effective Interest Rate (as a percent)	4.23%
Monthly Debt Service	$ 0
Victor Valley, Mall of
Mortgage loans payable on real estate
Long-term Debt	$ 114,850	114,791
Effective Interest Rate (as a percent)	4.00%
Monthly Debt Service	$ 380
Vintage Faire Mall
Mortgage loans payable on real estate
Long-term Debt	$ 240,124	$ 246,380
Effective Interest Rate (as a percent)	3.55%
Monthly Debt Service	$ 1,256

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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