Annual report pursuant to Section 13 and 15(d)

Real Estate Transactions (Schedule Of Net Assets Recorded Upon Consolidation) (Details)

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Real Estate Transactions (Schedule Of Net Assets Recorded Upon Consolidation) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Aug. 22, 2013
Real Estate Transactions [Abstract]    
Land $ 32,258us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand $ 5,585us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand
Construction in progress   3,387cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedConstructionInProgress
Real estate recorded upon consolidation   8,972us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
Cash and cash equivalents   79us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
Other assets   47us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther
Accounts payable   (325)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
Working capital recorded upon consolidation   (199)cli_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentNet
Noncontrolling interest recorded upon consolidation   (1,252)us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue
Net assets recorded upon consolidation   $ 7,521us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest