Intangible Assets and Intangible Liabilities - Summary of Intangible Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Intangible assets:
Gross amount	$ 337,104		$ 337,104		$ 371,555
Accumulated amortization	(239,733)		(239,733)		(252,142)
Intangible assets, Net	97,371		97,371		119,413
Intangible liabilities:
Gross amount	138,726		138,726		151,118
Accumulated amortization	(99,689)		(99,689)		(105,790)
Intangible Liabilities, Net	39,037		39,037		$ 45,328
Leases, Acquired-in-Place, Market Adjustment [Member]
Intangible liabilities:
Amortization of above and below-market leases, net (component of "rental revenue")	(84)	$ 722	589	$ 2,335
Leases, Acquired-in-Place [Member]
Intangible liabilities:
Amortization of acquired in-place leases (component of "depreciation and amortization")	$ 5,401	$ 6,413	$ 16,344	$ 20,183

Amount of non-cash amortization of intangible asset (liability) for above and below market leases.

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Amount of accumulated amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.

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Amount after amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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