Weighted average number of operating partnership units outstanding.

No definition available.

Name:	cdr_WeightedAverageNumberOfOperatingPartnershipUnitsOutstanding
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Balance Type:	na
Period Type:	duration

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Settlement date of the forward contract indexed to issuer's equity, in CCYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 40
-Section 50
-Paragraph 5
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=6445032&loc=d3e90205-114008

+ Details

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- Definition

This element represents nonvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid). Basic and dilutive earnings per share are generally disclosed for such shares using the two-class method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 61A
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+ Details

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Earnings Per Share (Narrative) (Details) - shares		3 Months Ended		9 Months Ended		12 Months Ended
Earnings Per Share (Narrative) (Details) - shares	Aug. 01, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Weighted average nonvested restricted shares outstanding		2,200,000	3,800,000	3,300,000	3,800,000
Anti-dilutive common stock shares excluded from earnings per share amount						5,750,000
Weighted average number of OP units outstanding		469,000	349,000	388,000	350,000
Forward Sales Agreements [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Settlement date of agreements	Aug. 01, 2017