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Organization and Basis of Presentation (Tables) | 9 Months Ended
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Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Properties Owned by Operating Partnership | As of September 30, 2017, the Operating Partnership owned interests in the following properties:
| Malls (1) |  | Associated Centers |  | Community Centers |  | Office Buildings |  | Total
Consolidated properties | 60 |  | 20 |  | 4 |  | 5 | (2) | 89
Unconsolidated properties (3) | 8 |  | 3 |  | 5 |  | — |  | 16
Total | 68 |  | 23 |  | 9 |  | 5 |  | 105
(1) | Category consists of regional malls, open-air centers and outlet centers (including one mixed-use center).
(2) | Includes CBL's two corporate office buildings.
(3) | The Operating Partnership accounts for these investments using the equity method because one or more of the other partners have substantive participating rights.
Properties Under Development | At September 30, 2017, the Operating Partnership had interests in the following properties under development:
| Consolidated Properties |  | Unconsolidated Properties
| Malls |  | Community Centers
Development | — |  | 1
Expansions | 1 |  | —
Redevelopments | 1 |  | —

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