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Significant Accounting Policies - Cost Capitalization (Details) | 12 Months Ended
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Dec. 31, 2022
Accounting Policies [Abstract] |
Period in which the company capitalizes interest, real estate taxes and certain operating expenses on the unoccupied portion of recently completed properties, beginning with the date it is substantially complete (percent) | 90.00%
Period in which the company capitalizes interest, real estate taxes and certain operating expenses on the unoccupied portion of recently completed properties, beginning with the date it is substantially complete (in years) | 1 year

X
- Definition Period of time that the company capitalizes costs on the unoccupied portion of recently completed projects after the company receives its certificate of occupancy. + References No definition available. + Details
Name: | cuz_PeriodOfTimeThatCompanyCapitalizesCostsOnUnoccupiedPortionOfRecentlyCompletedProjectsAfterCompanyReceivesItsCertificateOfOccupancy
Namespace Prefix: | cuz_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of time that the company capitalizes costs on the unoccupied portion of recently completed projects-minimum average economic occupancy percent. + References No definition available. + Details
Name: | cuz_PeriodOfTimeThatCompanyCapitalizesCostsOnUnoccupiedPortionOfRecentlyCompletedProjectsMinimumAverageEconomicOccupancyPercent
Namespace Prefix: | cuz_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration