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Investments in Real Estate (Details) ft² in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2019 USD ($) a property | Mar. 31, 2019 USD ($) | Jun. 30, 2018 USD ($) a ft² property | Mar. 31, 2018 USD ($) | Jun. 30, 2019 USD ($) a ft² property | Jun. 30, 2018 USD ($) a ft² property | Dec. 31, 2018 ft² | Jun. 30, 2019 property | Jun. 30, 2019 ft²
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Revenues | $ 41,730 |  | $ 37,238 |  | $ 82,610 | $ 74,345 |  |  |
Net income | 10,379 | $ 15,532 | 20,137 | $ 10,057 | 25,911 | 30,194 |  |  |
Capitalized interest associated with redevelopment activities | $ 800 |  | 600 |  | 1,600 | 800 |  |  |
Industrial building | Miami | Held-for-sale | Third-party purchaser |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Sales price |  |  |  |  | $ 14,000 |  |  |  |
Improved land parcels |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Number of buildings | property |  |  |  |  |  |  |  | 17 |
Area of real estate property | ft² |  |  |  |  |  |  |  |  | 13,000
Redevelopment property |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Number of buildings | property |  |  |  |  |  |  |  | 4 |
Area of real estate property | 74.7 |  |  |  | 74.7 |  |  |  | 600
Asset acquisition, consideration transferred |  |  |  |  | $ 129,300 |  |  |  |
Asset acquisition, real estate development costs |  |  |  |  | 51,300 |  |  |  |
Redevelopment property, held for sale |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Number of buildings | property |  |  |  |  |  |  |  | 1 |
Redevelopment property, held for sale | Miami | Held-for-sale |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Number of buildings | property |  |  |  |  |  |  |  | 1 |
Asset Acquisitions 2019 |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Purchase price | $ 51,200 |  |  |  | 119,400 |  |  |  |
Finite-lived intangible assets acquired | 3,300 |  |  |  | 7,200 |  |  |  |
Asset acquisition, intangible liabilities | 3,100 |  |  |  | 6,400 |  |  |  |
Revenues | 1,200 |  |  |  | 1,400 |  |  |  |
Net income | $ 600 |  |  |  | 700 |  |  |  |
Asset Acquisitions 2019 | Woodside |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Area of real estate property | ft² |  |  |  |  |  |  |  |  | 65
Asset acquisition, consideration transferred |  |  |  |  | $ 10,000 |  |  |  |
Asset Acquisitions 2019 | Industrial building |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Number of properties acquired | property | 2 |  |  |  | 4 |  |  |  |
Area of real estate property acquired | ft² |  |  |  |  | 165 |  | 119 |  |
Asset Acquisitions 2019 | Improved land parcels |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Number of properties acquired | property |  |  |  |  | 2 |  |  |  |
Area of real estate property acquired | a |  |  |  |  | 19.7 |  |  |  |
Asset Acquisitions 2019 | Land |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Asset acquisition, property additions | $ 34,800 |  |  |  | $ 94,400 |  |  |  |
Asset Acquisitions 2019 | Building |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Asset acquisition, property additions | $ 13,100 |  |  |  | $ 17,800 |  |  |  |
Asset Acquisitions 2018 |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Purchase price |  |  | 15,800 |  |  | 103,700 |  |  |
Finite-lived intangible assets acquired |  |  | 1,300 |  |  | 3,900 |  |  |
Asset acquisition, intangible liabilities |  |  | 400 |  |  | 2,700 |  |  |
Revenues |  |  | 800 |  |  | 1,100 |  |  |
Net income |  |  | $ 300 |  |  | $ 400 |  |  |
Asset Acquisitions 2018 | Industrial building |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Number of properties acquired | property |  |  | 2 |  |  | 5 |  |  |
Area of real estate property acquired | ft² |  |  | 50 |  |  | 468 |  |  |
Asset Acquisitions 2018 | Improved land parcels |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Number of properties acquired | property |  |  | 1 |  |  | 1 |  |  |
Area of real estate property acquired | a |  |  | 3.5 |  |  | 3.5 |  |  |
Asset Acquisitions 2018 | Redevelopment property |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Number of properties acquired | property |  |  |  |  |  | 2 |  |  |
Area of real estate property acquired | ft² |  |  |  |  |  | 318 |  |  |
Asset Acquisitions 2018 | Land |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Asset acquisition, property additions |  |  | $ 10,800 |  |  | $ 74,400 |  |  |
Asset Acquisitions 2018 | Building |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |
Asset acquisition, property additions |  |  | $ 3,700 |  |  | $ 25,400 |  |  |

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