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Basis of Presentation Percentage of taxable income distributed (Details) | 9 Months Ended
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Sep. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Distribution of Taxable Income to Qualify as REIT | 90.00%

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- Definition Percentage of taxable income that must be distributed annually to qualify as a REIT. + References No definition available. + Details
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Namespace Prefix: | cuz_
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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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