Impairment Reversals Of Real Estate

No definition available.

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- Definition

Joint Venture Acquired Ownership Percentage

+ References

No definition available.

+ Details

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- Definition

Payments To Acquire Real Estate Amount Representing In-Place Mortgage Financing

+ References

No definition available.

+ Details

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- Definition

Payments To Acquire Real Estate Cash Paid

+ References

No definition available.

+ Details

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- Definition

Percentage Of Share Of In-Place Mortgage Financing

+ References

No definition available.

+ Details

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e1043-128460

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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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- Details

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Namespace Prefix:
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- Details

Name:	us-gaap_RealEstatePropertiesAxis=cdr_ChristinaCrossingMember
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- Details

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- Details

Name:	us-gaap_RealEstatePropertiesAxis=cdr_ShoppesAtArtsDistrictMember
Namespace Prefix:
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- Details

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- Details

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- Details

Name:	us-gaap_RealEstatePropertiesAxis=cdr_NewLondonMallMember
Namespace Prefix:
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- Details

Name:	us-gaap_RealEstatePropertiesAxis=cdr_LawndalePlazaMember
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- Details

Name:	us-gaap_RealEstatePropertiesAxis=cdr_EastRiverParkMember
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Real Estate (Narrative) (Details) - USD ($)							12 Months Ended
Real Estate (Narrative) (Details) - USD ($)	Feb. 22, 2017	May 04, 2016	Feb. 27, 2016	Feb. 25, 2016	Dec. 23, 2015	Jan. 23, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Real Estate Properties [Line Items]
Purchase price of acquired property							$ 31,923,000	$ 42,991,000	$ 38,861,000
Acquisition costs							3,426,000	1,238,000	2,870,000
Impairment charges/(reversal), net							(6,347,000)	212,000	(3,148,000)
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Real Estate Properties [Line Items]
Impairment charges/(reversal), net							$ 6,300,000	$ 200,000	$ 3,100,000
Christina Crossing [Member] \| Subsequent Event [Member]
Real Estate Properties [Line Items]
Purchase price of acquired property	$ 29,300,000
Shoppes at Arts District [Member]
Real Estate Properties [Line Items]
Purchase price of acquired property				$ 20,500,000
Mortgage interest rate				5.20%
Mortgage maturity date				Apr. 01, 2022
Shoppes at Arts District [Member] \| Parent Company [Member]
Real Estate Properties [Line Items]
Purchase price of acquired property				$ 8,500,000
Glenwood Village [Member]
Real Estate Properties [Line Items]
Purchase price of acquired property		$ 19,500,000
New London Mall [Member]
Real Estate Properties [Line Items]
Acquired ownership percentage in joint venture						60.00%
Percentage of joint venture ownership						100.00%
Payments to acquire interest in joint ventures						$ 27,300,000
Amount of purchase price paid in cash						10,900,000
Amount of purchase price representing 60% share of in-place mortgage financing						$ 16,400,000
Percentage of share of in-place mortgage financing						60.00%
Lawndale Plaza [Member]
Real Estate Properties [Line Items]
Purchase price of acquired property			$ 25,200,000
Acquisition costs			$ 500,000
East River Park [Member]
Real Estate Properties [Line Items]
Purchase price of acquired property					$ 39,000,000
Mortgage interest rate					3.90%
Mortgage maturity date					Sep. 01, 2022
Acquisition costs					$ 700,000
East River Park [Member] \| Parent Company [Member]
Real Estate Properties [Line Items]
Purchase price of acquired property					$ 20,500,000