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REAL ESTATE PROPERTIES (Tables) | 9 Months Ended
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Sep. 30, 2018
Real Estate Investment Property, Net [Abstract] |
Schedule of Real Estate Properties | The Company’s Real estate properties and Development and value-add properties at September 30, 2018 and December 31, 2017 were as follows:
| September 30, 2018 |  | December 31, 2017
| (In thousands)
Real estate properties: |  |  |
Land | $ | 376,658 |  |  | 345,424 |
Buildings and building improvements | 1,703,237 |  |  | 1,587,130 |
Tenant and other improvements | 431,751 |  |  | 404,180 |
Development and value-add properties (1) | 244,761 |  |  | 242,014 |
| 2,756,407 |  |  | 2,578,748 |
Less accumulated depreciation | (796,037 | ) |  | (749,601 | )
| $ | 1,960,370 |  |  | 1,829,147 |
(1) | Value-add properties are defined as properties that are either acquired but not stabilized or can be converted to a higher and better use. Acquired properties meeting either of the following two conditions are considered value-add properties: (1) Less than 75% occupied as of the acquisition date (or will be less than 75% occupied within one year of acquisition date based on near term lease roll), or (2) 20% or greater of the acquisition cost will be spent to redevelop the property.

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- Definition Tabular disclosure of real estate properties and units in those properties that are included in the discussion of the nature of an entity's operations. + References No definition available. + Details
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