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Deferred Leasing Costs and Acquisition-Related Intangible Assets and Liabilities, net - Amortization of Deferred Leasing Costs and Acquisition-related Intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Amortization for the period related to deferred leasing costs and acquisition-related intangibles
Amortization for the period related to deferred leasing costs and acquisition-related intangibles	$ 40,130	$ 35,130	$ 45,188
Deferred Leasing Costs
Amortization for the period related to deferred leasing costs and acquisition-related intangibles
Amortization for the period related to deferred leasing costs and acquisition-related intangibles	32,472	33,624	35,779
Estimated annual amortization related to acquisition-related intangible assets
Finite-lived intangible assets, 2022	29,959
Finite-lived intangible assets, 2023	25,432
Finite-lived intangible assets, 2024	22,380
Finite-lived intangible assets, 2025	20,363
Finite-lived intangible assets, 2026	17,729
Finite-lived intangible assets, thereafter	62,055
Finite-lived intangible assets	177,918	196,279
Above market leases
Amortization for the period related to deferred leasing costs and acquisition-related intangibles
Amortization for the period related to deferred leasing costs and acquisition-related intangibles	8	495	192
Estimated annual amortization related to acquisition-related intangible assets
Finite-lived intangible assets, 2022	31
Finite-lived intangible assets, 2023	31
Finite-lived intangible assets, 2024	31
Finite-lived intangible assets, 2025	31
Finite-lived intangible assets, 2026	31
Finite-lived intangible assets, thereafter	97
Finite-lived intangible assets	252	0
In-Place Leases
Amortization for the period related to deferred leasing costs and acquisition-related intangibles
Amortization for the period related to deferred leasing costs and acquisition-related intangibles	14,562	11,759	18,615
Estimated annual amortization related to acquisition-related intangible assets
Finite-lived intangible assets, 2022	31,016
Finite-lived intangible assets, 2023	11,802
Finite-lived intangible assets, 2024	2,962
Finite-lived intangible assets, 2025	2,927
Finite-lived intangible assets, 2026	2,605
Finite-lived intangible assets, thereafter	4,976
Finite-lived intangible assets	56,288	14,670
Below-market operating leases
Amortization for the period related to deferred leasing costs and acquisition-related intangibles
Amortization of intangible liabilities	(6,912)	(10,748)	$ (9,398)
Estimated annual amortization related to acquisition-related intangible liabilities
Acquisition-related intangible liabilities, 2022	(10,408)
Acquisition-related intangible liabilities, 2023	(4,356)
Acquisition-related intangible liabilities, 2024	(1,496)
Acquisition-related intangible liabilities, 2025	(1,475)
Acquisition-related intangible liabilities, 2026	(1,379)
Acquisition-related intangible liabilities, thereafter	(3,139)
Acquisition-related intangible liabilities	$ (22,253)	$ (13,345)

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