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Reportable Segments Reportable Segments (Detail Textual) (Details)	3 Months Ended
	Mar. 31, 2012
Segment Reporting [Abstract]
Number of Reportable Segments	5

X

- Definition

Number of Reportable Segments

+ References

No definition available.

+ Details

Name:	cuz_NumberOfReportableSegments
Namespace Prefix:	cuz_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SegmentReportingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration