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ORGANIZATION AND BACKGROUND (Details) | Dec. 31, 2012 item property
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Organization and Background |
Number of real estate properties | 100
Number of states in which properties are located | 29
Wholly owned properties |
Organization and Background |
Number of real estate properties | 93
Properties owned by consolidated joint ventures |
Organization and Background |
Number of real estate properties | 4
Properties owned by unconsolidated joint ventures |
Organization and Background |
Number of real estate properties | 7

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration