Real Estate Transactions (Schedule Of Properties Acquired) (Details) (USD $)
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12 Months Ended | 1 Months Ended | |||||||||
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Dec. 31, 2014
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Dec. 31, 2013
item
property
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Jan. 31, 2014
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Nov. 20, 2013
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Business Acquisition [Line Items] | |||||||||||
Number of Properties | 5cli_NumberOfPropertiesAcquired | ||||||||||
Number of Apartment Units | 1,081cli_NumberOfUnitsOnPropertyAcquired | ||||||||||
Acquisition Cost | $ 236,559,000us-gaap_BusinessCombinationConsiderationTransferred1 | ||||||||||
Earn out paid | 5,228,000cli_BusinessAcquisitionContingentConsiderationCashPaid | 2,755,000cli_BusinessAcquisitionContingentConsiderationCashPaid | |||||||||
Alterra At Overlook Ridge IA [Member] | |||||||||||
Business Acquisition [Line Items] | |||||||||||
Number of Properties |
1cli_NumberOfPropertiesAcquired / us-gaap_BusinessAcquisitionAxis = cli_AlterraAtOverlookRidgeIMember |
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Number of Apartment Units |
310cli_NumberOfUnitsOnPropertyAcquired / us-gaap_BusinessAcquisitionAxis = cli_AlterraAtOverlookRidgeIMember |
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Acquisition Cost |
61,250,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = cli_AlterraAtOverlookRidgeIMember |
[1] | |||||||||
Alterra At Overlook Ridge IB [Member] | |||||||||||
Business Acquisition [Line Items] | |||||||||||
Number of Properties |
1cli_NumberOfPropertiesAcquired / us-gaap_BusinessAcquisitionAxis = cli_AlterraAtOverlookRidgeIBMember |
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Number of Apartment Units |
412cli_NumberOfUnitsOnPropertyAcquired / us-gaap_BusinessAcquisitionAxis = cli_AlterraAtOverlookRidgeIBMember |
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Acquisition Cost |
87,950,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = cli_AlterraAtOverlookRidgeIBMember |
[1] | |||||||||
Park Square [Member] | |||||||||||
Business Acquisition [Line Items] | |||||||||||
Number of Properties |
1cli_NumberOfPropertiesAcquired / us-gaap_BusinessAcquisitionAxis = cli_ParkSquareMember |
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Number of Apartment Units |
159cli_NumberOfUnitsOnPropertyAcquired / us-gaap_BusinessAcquisitionAxis = cli_ParkSquareMember |
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Acquisition Cost |
46,376,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = cli_ParkSquareMember |
[2] | |||||||||
Cash consideration |
43,421,000us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = cli_ParkSquareMember |
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Contingent consideration at fair value |
405,000us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BusinessAcquisitionAxis = cli_ParkSquareMember |
2,955,000us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BusinessAcquisitionAxis = cli_ParkSquareMember |
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Amount of cash funded by qualified intermediary |
42,613,355cli_BusinessCombinationAmountOfCashFromQualifiedIntermediary / us-gaap_BusinessAcquisitionAxis = cli_ParkSquareMember |
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Earn out paid |
2,550,000cli_BusinessAcquisitionContingentConsiderationCashPaid / us-gaap_BusinessAcquisitionAxis = cli_ParkSquareMember |
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Richmond Ct / Riverwatch Commons [Member] | |||||||||||
Business Acquisition [Line Items] | |||||||||||
Number of Properties |
2cli_NumberOfPropertiesAcquired / us-gaap_BusinessAcquisitionAxis = cli_RichmondCourtAndRiverwatchCommonsMember |
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Number of Apartment Units |
200cli_NumberOfUnitsOnPropertyAcquired / us-gaap_BusinessAcquisitionAxis = cli_RichmondCourtAndRiverwatchCommonsMember |
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Acquisition Cost |
40,983,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = cli_RichmondCourtAndRiverwatchCommonsMember |
[3] | |||||||||
Amount of cash funded by qualified intermediary |
$ 12,701,925cli_BusinessCombinationAmountOfCashFromQualifiedIntermediary / us-gaap_BusinessAcquisitionAxis = cli_RichmondCourtAndRiverwatchCommonsMember |
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X | ||||||||||
- Definition
Business Acquisition, Contingent Consideration, Cash Paid No definition available.
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- Definition
Business Combination, Amount Of Cash From Qualified Intermediary No definition available.
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Number Of Properties Acquired No definition available.
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- Definition
Number Of Units On Property Acquired No definition available.
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- Definition
Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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