Name:	cdp_ConstructionCommencementThreshold
Namespace Prefix:	cdp_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	duration

Represents a completed threshold for square footage of construction commencement for Company to be able to acquire partner's interest after five years.

No definition available.

Name:	cdp_ConstructionCommencementThresholdCompleted
Namespace Prefix:	cdp_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	duration

Infrastructure Costs Funded to Date by Entity for Reimbursement

No definition available.

Name:	cdp_InfrastructureCostsFundedtoDatebyEntityforReimbursement
Namespace Prefix:	cdp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the percentage in which the residual net cash flows will be distributed to each partner.

No definition available.

Name:	cdp_JointVenturePercentageOfResidualNetCashFlowDistributedToEachMemberPercentage
Namespace Prefix:	cdp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Joint Venture, Preferred Return On Infrastructure Capital Contributions

No definition available.

Name:	cdp_JointVenturePreferredReturnOnInfrastructureCapitalContributions
Namespace Prefix:	cdp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Joint Venture, Preferred Return On Other Capital Contributions

No definition available.

Name:	cdp_JointVenturePreferredReturnOnOtherCapitalContributions
Namespace Prefix:	cdp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Number of years following construction commencement threshold achievement before partner's interest can be purchased at fair value

No definition available.

Name:	cdp_NumberOfYearsFollowingConstructionCommencementThresholdAchievementBeforePartnersInterestCanBePurchasedAtFairValue
Namespace Prefix:	cdp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the amount credited to the partner's capital upon formation.

No definition available.

Name:	cdp_PartnersCapitalAccountUponFormation
Namespace Prefix:	cdp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Percentage of Cumulative Preferred Returns of Cash Flows on Entity Invested Capital

No definition available.

Name:	cdp_PercentageOfCumulativePreferredReturnsOfCashFlowsOnEntityInvestedCapital
Namespace Prefix:	cdp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of Cumulative Preferred Returns of Cash Flows on Partners Invested Capital

No definition available.

Name:	cdp_PercentageOfCumulativePreferredReturnsOfCashFlowsOnPartnersInvestedCapital
Namespace Prefix:	cdp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of residual distributable cash flows in excess of unpaid cumulative preferred returns and return of invested capital in the joint venture to which the entity will be entitled.

No definition available.

Name:	cdp_PercentageOfResidualDistributableCashFlowsEntitledInExcessOfUnpaidCumulativePreferredReturnsAndReturnOfInvestedCapital
Namespace Prefix:	cdp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of residual distributable cash flowsin excess of unpaid cumulative preferred turns and return of invested cash in the joint venture to which the entity's partners will be entitled.

No definition available.

Name:	cdp_PercentageOfResidualDistributableCashFlowsEntitledInExcessOfUnpaidCumulativePreferredReturnsAndReturnOfInvestedCashRelatedToRealEstatePartner
Namespace Prefix:	cdp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	cdp_RealEstateJointVentureLineItems
Namespace Prefix:	cdp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	dei_LegalEntityAxis=cdp_LwRedstoneCompanyLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=cdp_NotesReceivableFromCityOfHuntsvilleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	dei_LegalEntityAxis=cdp_StevensInvestorsLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: