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Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)	1 Months Ended				12 Months Ended
	Nov. 30, 2018 USD ($)	Aug. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2019 USD ($) joint_venture segment shares	Dec. 31, 2018 USD ($) property shares	Dec. 31, 2017 USD ($) shares	Jun. 29, 2018 USD ($) property
Investment [Line Items]
Variable interest entity, number of entities \| joint_venture					2
Variable interest entity, consolidated, carrying amount, liabilities					$ 55,800,000
Variable interest entity, consolidated, carrying amount, assets					114,100,000
Payments to acquire equity method investments					798,000	$ 9,973,000	$ 1,400,000
Escrow deposits from sale of an operating property					13,200,000
Gains on sale of operating properties					$ 200,000	$ 3,100,000	$ 5,200,000
Provision for credit losses, net of recoveries as percent of total revenues (as percent)					1.10%	1.00%	0.80%
Weighted average limited partnership units outstanding, basic (in shares) \| shares					2,100,000	2,000,000.0	2,000,000.0
Antidilutive securities excluded from computation of earnings per share (less than) (in shares) \| shares					100,000	100,000	100,000
Number of operating segments \| segment					1
Limited partners' capital account, units outstanding (in shares) \| shares					2,110,037	2,035,349
Depreciation and amortization					$ 132,098,000	$ 152,163,000	$ 172,091,000
Incremental expense related to leases					$ 1,800,000
Redeemable Noncontrolling Interests
Investment [Line Items]
Noncontrolling interest, decrease from redemptions or purchase of interests	$ 12,000,000.0	$ 10,000,000.0		$ 8,300,000
Capital Unit, Class B
Investment [Line Items]
Number of joint ventures in which units are issued \| joint_venture					3
Number of joint ventures in which units are issued, noncontrolling interest \| joint_venture					1
Operating Partnership
Investment [Line Items]
Noncontrolling interest, ownership percentage by parent					97.50%	97.60%
Noncontrolling interest, ownership percentage by noncontrolling owners					2.50%	2.40%
Accounting Standards Update 2016-02
Investment [Line Items]
Incremental expense related to leases					$ 5,400,000
Co-venturer
Investment [Line Items]
Construction loan payable					$ 33,600,000	$ 33,600,000
Co-venturer \| Construction Loan
Investment [Line Items]
Debt instrument, face amount						$ 33,800,000
TH Joint Venture
Investment [Line Items]
Ownership percentage in equity method investment (as percent)								20.00%
Embassy Suites Joint Venture
Investment [Line Items]
Ownership percentage in equity method investment (as percent)			35.00%			35.00%	35.00%
Payments to acquire equity method investments			$ 1,400,000
Building and Improvements \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)					10 years
Building and Improvements \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)					35 years
Equipment and Fixtures \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)					5 years
Equipment and Fixtures \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)					10 years
Livingston Shopping Center, Plaza Volente, and Tamiami Crossing \| TH Joint Venture
Investment [Line Items]
Number of real estate properties \| property						3		3
Consideration received						$ 99,800,000		$ 99,800,000
Equity method investment								$ 10,000,000.0