XML 54 R43.htm IDEA: XBRL DOCUMENT
v3.21.1

Revenues (Narrative) (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 USD ($)
Revenues [Abstract] |
Reduction of net income due to recording of revenue on cash basis and write off outstanding straight-line receivable | $ 0.1
Unpaid billed charges of rent and tenant reimbursements | 0.5
Unrecorded revenue from tenants | $ 0.5

X
- Definition Reduction of net income due to recording of revenue on cash basis and write off outstanding straight-line receivable . + References No definition available. + Details
Name: | cdr_ReductionOfNetIncomeDueToRecordingOfRevenueOnCashBasisAndWriteOffOutstandingStraightLineReceivable
Namespace Prefix: | cdr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Unpaid billed charges of rent and tenant reimbursements. + References No definition available. + Details
Name: | cdr_UnpaidBilledChargesOfRentAndTenantReimbursements
Namespace Prefix: | cdr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Unrecorded revenue from tenants. + References No definition available. + Details
Name: | cdr_UnrecordedRevenueFromTenants
Namespace Prefix: | cdr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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