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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

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