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Acquisitions (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) property | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Business Acquisition [Line Items] |  |  |
Payments to acquire real estate | $ 58,205 | $ 0 | $ 0
2019 Operating Property Acquisitions |  |  |
Business Acquisition [Line Items] |  |  |
Number of retail operating properties acquired | property | 1 |  |
Number of parking garages acquired | property | 1 |  |
2019 Operating Property Acquisitions | Retail Operating Property |  |  |
Business Acquisition [Line Items] |  |  |
Payments to acquire real estate | $ 29,000 |  |
2019 Operating Property Acquisitions | Parking Garage |  |  |
Business Acquisition [Line Items] |  |  |
Payments to acquire real estate | $ 29,500 |  |
Lease Agreements | 2019 Operating Property Acquisitions |  |  |
Business Acquisition [Line Items] |  |  |
Weighted average useful life (in years) | 5 years 7 months 6 days |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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