2.4.0.840420 - Disclosure - Investments In Unconsolidated Joint Ventures (Overlook Ridge JV 2C/3B, L.L.C.) (Narrative) (Details)truefalsefalse1false USDfalsefalseDuration_1_1_2013_To_6_30_2013http://www.sec.gov/CIK0000924901duration2013-01-01T00:00:002013-06-30T00:00:00Unit17Standardhttp://www.mack-cali.com/20130630itemcli0Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170$2false USDfalsefalse$As_Of_7_15_2013http://www.sec.gov/CIK0000924901instant2013-07-15T00:00:000001-01-01T00:00:00Unit16Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDtruefalse$Duration_4_1_2013_To_6_30_2013_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsInvestorsLLCMemberhttp://www.sec.gov/CIK0000924901duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseOverlook Ridge Apartments Investors, L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsInvestorsLLCMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDtruefalse$Duration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsInvestorsLLCMemberhttp://www.sec.gov/CIK0000924901duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseOverlook Ridge Apartments Investors, L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsInvestorsLLCMemberdei_LegalEntityAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5false truefalseDuration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsMemberLLCMemberhttp://www.sec.gov/CIK0000924901duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseOverlook Ridge Apartments Member L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsMemberLLCMemberdei_LegalEntityAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli06false truefalseDuration_1_1_2013_To_6_30_2013_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cli_OverlookRidgeJvTwoCAndThreeBLLCMemberhttp://www.sec.gov/CIK0000924901duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseOverlook Ridge JV 2C/3B, L.L.C. [Member]us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeJvTwoCAndThreeBLLCMemberus-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli07false truefalseDuration_1_1_2012_To_12_31_2012_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cli_OverlookRidgeJvTwoCAndThreeBLLCMemberhttp://www.sec.gov/CIK0000924901duration2012-01-01T00:00:002012-12-31T00:00:00falsefalseOverlook Ridge JV 2C/3B, L.L.C. [Member]us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeJvTwoCAndThreeBLLCMemberus-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli08false USDtruefalse$As_Of_6_30_2013_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsMemberLLCMember_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cli_OverlookRidgeJvTwoCAndThreeBLLCMemberhttp://www.sec.gov/CIK0000924901instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseOverlook Ridge JV 2C/3B, L.L.C. [Member]us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeJvTwoCAndThreeBLLCMemberus-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisexplicitMemberfalsefalseOverlook Ridge Apartments Member L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsMemberLLCMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$9false USDtruefalse$As_Of_12_31_2012_dei_LegalEntityAxis_cli_RoweMember_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cli_OverlookRidgeJvTwoCAndThreeBLLCMemberhttp://www.sec.gov/CIK0000924901instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseOverlook Ridge JV 2C/3B, L.L.C. [Member]us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeJvTwoCAndThreeBLLCMemberus-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisexplicitMemberfalsefalseRowe [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_RoweMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$10false USDtruefalse$As_Of_12_31_2012_dei_LegalEntityAxis_us-gaap_ParentCompanyMember_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cli_OverlookRidgeJvTwoCAndThreeBLLCMemberhttp://www.sec.gov/CIK0000924901instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseOverlook Ridge JV 2C/3B, L.L.C. [Member]us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeJvTwoCAndThreeBLLCMemberus-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisexplicitMemberfalsefalseParent Company [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentCompanyMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$11false truefalseAs_Of_6_30_2013_cli_InvestmentsInUnconsolidatedJointVentuesByNameAxis_cli_OverlookRidgeTwoCThreeBsInterestInOverlookRidgeApartmentsInvestorsMemberhttp://www.sec.gov/CIK0000924901instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseOverlook Ridge 2C 3B's Interest In Overlook Ridge Apartments Investors [Member]cli_InvestmentsInUnconsolidatedJointVentuesByNameAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeTwoCThreeBsInterestInOverlookRidgeApartmentsInvestorsMembercli_InvestmentsInUnconsolidatedJointVentuesByNameAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli012false USDtruefalse$Duration_1_1_2013_To_6_30_2013_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_cli_OverlookTwoCThreeBProjectMemberhttp://www.sec.gov/CIK0000924901duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseOverlook 2C 3B Project [Member]us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookTwoCThreeBProjectMemberus-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$13false USDtruefalse$Duration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsInvestorsLLCMember_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_cli_OverlookTwoCThreeBProjectMemberhttp://www.sec.gov/CIK0000924901duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseOverlook 2C 3B Project [Member]us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookTwoCThreeBProjectMemberus-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxisexplicitMemberfalsefalseOverlook Ridge Apartments Investors, L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsInvestorsLLCMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$14false truefalseAs_Of_6_30_2013_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_cli_OverlookTwoCThreeBProjectMember_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cli_OverlookRidgeJvTwoCAndThreeBLLCMemberhttp://www.sec.gov/CIK0000924901instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseOverlook 2C 3B Project [Member]us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookTwoCThreeBProjectMemberus-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxisexplicitMemberfalsefalseOverlook Ridge JV 2C/3B, L.L.C. [Member]us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeJvTwoCAndThreeBLLCMemberus-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxisexplicitMemberUnit19Standardhttp://www.mack-cali.com/20130630propertycli0Unit17Standardhttp://www.mack-cali.com/20130630itemcli015false USDtruefalseDuration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsInvestorsLLCMember_us-gaap_ShortTermDebtTypeAxis_cli_ConstructionLoanMemberhttp://www.sec.gov/CIK0000924901duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseConstruction Loan [Member]us-gaap_ShortTermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicli_ConstructionLoanMemberus-gaap_ShortTermDebtTypeAxisexplicitMemberfalsefalseOverlook Ridge Apartments Investors, L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsInvestorsLLCMemberdei_LegalEntityAxisexplicitMemberUnit17Standardhttp://www.mack-cali.com/20130630itemcli0Unit16Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170$16false truefalseAs_Of_1_18_2013_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsInvestorsLLCMember_us-gaap_ShortTermDebtTypeAxis_cli_ConstructionLoanMemberhttp://www.sec.gov/CIK0000924901instant2013-01-18T00:00:000001-01-01T00:00:00falsefalseConstruction Loan [Member]us-gaap_ShortTermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicli_ConstructionLoanMemberus-gaap_ShortTermDebtTypeAxisexplicitMemberfalsefalseOverlook Ridge Apartments Investors, L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsInvestorsLLCMemberdei_LegalEntityAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli017false USDtruefalse$As_Of_6_30_2013_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsInvestorsLLCMember_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_cli_OverlookTwoCThreeBProjectMember_us-gaap_ShortTermDebtTypeAxis_cli_ConstructionLoanMemberhttp://www.sec.gov/CIK0000924901instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConstruction Loan [Member]us-gaap_ShortTermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicli_ConstructionLoanMemberus-gaap_ShortTermDebtTypeAxisexplicitMemberfalsefalseOverlook 2C 3B Project [Member]us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookTwoCThreeBProjectMemberus-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxisexplicitMemberfalsefalseOverlook Ridge Apartments Investors, L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsInvestorsLLCMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$18false truefalseDuration_1_1_2013_To_6_30_2013_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsInvestorsLLCMember_us-gaap_ShortTermDebtTypeAxis_cli_ConstructionLoanExtensionNumberOneMemberhttp://www.sec.gov/CIK0000924901duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseConstruction Loan Extension Number 1 [Member]us-gaap_ShortTermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicli_ConstructionLoanExtensionNumberOneMemberus-gaap_ShortTermDebtTypeAxisexplicitMemberfalsefalseOverlook Ridge Apartments Investors, L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsInvestorsLLCMemberdei_LegalEntityAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli019false truefalseDuration_1_1_2012_To_12_31_2012_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsInvestorsLLCMember_us-gaap_ShortTermDebtTypeAxis_cli_ConstructionLoanExtensionNumberTwoMemberhttp://www.sec.gov/CIK0000924901duration2012-01-01T00:00:002012-12-31T00:00:00falsefalseConstruction Loan Extension Number 2 [Member]us-gaap_ShortTermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicli_ConstructionLoanExtensionNumberTwoMemberus-gaap_ShortTermDebtTypeAxisexplicitMemberfalsefalseOverlook Ridge Apartments Investors, L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsInvestorsLLCMemberdei_LegalEntityAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli020false truefalseAs_Of_6_30_2013_us-gaap_RangeAxis_us-gaap_MinimumMemberhttp://www.sec.gov/CIK0000924901instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseMinimum [Member]us-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MinimumMemberus-gaap_RangeAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli021false truefalseAs_Of_6_30_2013_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsInvestorsLLCMember_us-gaap_RangeAxis_us-gaap_MinimumMember_us-gaap_ShortTermDebtTypeAxis_cli_ConstructionLoanMemberhttp://www.sec.gov/CIK0000924901instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseMinimum [Member]us-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MinimumMemberus-gaap_RangeAxisexplicitMemberfalsefalseConstruction Loan [Member]us-gaap_ShortTermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicli_ConstructionLoanMemberus-gaap_ShortTermDebtTypeAxisexplicitMemberfalsefalseOverlook Ridge Apartments Investors, L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsInvestorsLLCMemberdei_LegalEntityAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli022false truefalseAs_Of_6_30_2013_us-gaap_RangeAxis_us-gaap_MaximumMemberhttp://www.sec.gov/CIK0000924901instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseMaximum [Member]us-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MaximumMemberus-gaap_RangeAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli023false truefalseAs_Of_6_30_2013_dei_LegalEntityAxis_cli_OverlookRidgeApartmentsInvestorsLLCMember_us-gaap_RangeAxis_us-gaap_MaximumMember_us-gaap_ShortTermDebtTypeAxis_cli_ConstructionLoanMemberhttp://www.sec.gov/CIK0000924901instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseMaximum [Member]us-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MaximumMemberus-gaap_RangeAxisexplicitMemberfalsefalseConstruction Loan [Member]us-gaap_ShortTermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicli_ConstructionLoanMemberus-gaap_ShortTermDebtTypeAxisexplicitMemberfalsefalseOverlook Ridge Apartments Investors, L.L.C. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicli_OverlookRidgeApartmentsInvestorsLLCMemberdei_LegalEntityAxisexplicitMemberUnit16Standardhttp://www.xbrl.org/2003/instancepurexbrli01true 3us-gaap_ScheduleOfEquityMethodInvestmentsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Schedule of Equity Method Investments [Line Items]2false 4cli_IndirectResidualOwnershipPercentagecli_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6truetruefalse0.250.25falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepureIndirect Residual Ownership PercentageNo definition available.false0Indirect residual ownership percentage3false 4us-gaap_NumberOfUnitsInRealEstatePropertyus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14truefalsefalse371371falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:integerItemTypeintegerThe number of units in a real estate property owned as of the balance sheet date.No definition available.false256Number of units4false 4us-gaap_NumberOfRealEstatePropertiesus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14truefalsefalse44falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:integerItemTypeintegerThe number of real estate properties owned as of the balance sheet date.No definition available.false256Number of real estate properties5false 4us-gaap_EquityMethodInvestmentOwnershipPercentageus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6truetruefalse0.500.50falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20truetruefalse0.0750.075falsefalsefalse21falsetruefalse00falsefalsefalse22truetruefalse0.800.80falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepureThe percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a (1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0Percentage of interest in venture6false 4cli_InvestmentOwnershipPercentagecli_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11truetruefalse0.500.50falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepureInvestment Ownership PercentageNo definition available.false0Investment ownership percentage7false 4cli_EstimatedCostOfProjectcli_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12truefalsefalse7940000079400000USD$falsetruefalse13truefalsefalse2390000023900000USD$falsetruefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryEstimated Cost Of ProjectNo definition available.false2Total project costs8false 4us-gaap_LineOfCreditFacilityMaximumBorrowingCapacityus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse600000000600000000falsefalsefalse2truefalsefalse600000000600000000falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15truefalsefalse5550000055500000falsefalsefalse16falsefalsefalse00falsefalsefalse17truefalsefalse5550000055500000falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryMaximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 false2Maximum borrowing capacity9false 4us-gaap_LineOfCreditFacilityAmountOutstandingus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15truefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount borrowed under the credit facility as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 false2Amount outstanding10false 4cli_PercentageOfOperatingReturnOnCapitalcli_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4truetruefalse0.0650.065falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepurePercentage Of Operating Return On CapitalNo definition available.false0Percentage of operating return on capital11false 4us-gaap_PartnersCapitalus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8truefalsefalse2260000022600000falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of ownership interest of different classes of partners in limited partnership.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 false2Capital balance12false 4cli_AccumulatedUnpaidOperatingReturncli_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8truefalsefalse700000700000falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAccumulated Unpaid Operating ReturnNo definition available.false2Accumulated unpaid operating return13false 4cli_PercentageOfCapitalEventCashFlowsDistributedcli_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5truetruefalse11falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepurePercentage Of Capital Event Cash Flows DistributedNo definition available.false0Percentage of capital event cash flows distributed14false 4cli_InitialInternalRateOfReturncli_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5truetruefalse0.090.09falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepureInitial Internal Rate Of ReturnNo definition available.false0Initial internal rate of return15false 4cli_PercentageOfCapitalEventCashFlowsDistributedAfterInitialInternalRateOfReturnReachedcli_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5truetruefalse0.700.70falsefalsefalse6truetruefalse0.300.30falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepurePercentage Of Capital Event Cash Flows Distributed After Initial Internal Rate Of Return ReachedNo definition available.false0Percentage of capital event cash flows distributed after initial internal rate of return reached16false 4cli_InternalRateOfReturncli_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5truetruefalse0.110.11falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepureInternal Rate of ReturnNo definition available.false0Internal rate of return17false 4us-gaap_DebtInstrumentBasisSpreadOnVariableRateus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalse00falsefalsefalse2truetruefalse0.01250.0125falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15truetruefalse0.0250.025falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepureThe percentage points added to the reference rate to compute the variable rate on the debt instrument.No definition available.false0Spread over LIBOR18false 4us-gaap_DebtInstrumentMaturityDateus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse002015-12-01falsefalsetrue16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:dateItemTypedateDate when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0Loan maturity date19false 4cli_DebtInstrumentNumberOfExtensionOptionscli_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse22falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15truefalsefalse22falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:positiveIntegerItemTypepositiveintegerDebt Instrument, Number Of Extension OptionsNo definition available.false256Number of extension options20false 4cli_DebtInstrumentExtensionPeriodcli_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse001 yearfalsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:durationItemTypenaDebt Instrument Extension PeriodNo definition available.false0Loan extension period21false 4cli_DebtInstrumentExtensionFeePercentagecli_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18truetruefalse0.00250.0025falsefalsefalse19truetruefalse0.00250.0025falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepureDebt Instrument Extension Fee PercentageNo definition available.false0Extension fee22false 4cli_AmountOfDebtGuaranteedByCompanycli_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15truefalsefalse83000008300000falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount Of Debt Guaranteed By CompanyNo definition available.false2Amount of debt guaranteed by company23false 4cli_ThresholdOfPaymentGuaranteeTerminationDebtServiceCoverageRatiocli_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21truefalsefalse1.251.25falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:pureItemTypepureThreshold Of Payment Guarantee Termination, Debt Service Coverage RatioNo definition available.false0Threshold of payment guarantee termination, debt service coverage ratio24false 4cli_PercentageOfLoanThatHasFixedInterestRatecli_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23truetruefalse0.950.95falsefalsefalsenum:percentItemTypepurePercentage Of Loan That Has Fixed Interest RateNo definition available.false0Percentage of loan that has a fixed interest rate25false 4us-gaap_DebtInstrumentInterestRateStatedPercentageus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16truetruefalse0.0308750.030875falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepureInterest rate stated in the contractual debt agreement.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: 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 false0Interest rate26false 4cli_PercentageReturnOnUnrecoveredCapitalcli_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7truetruefalse0.090.09falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalse17falsetruefalse00falsefalsefalse18falsetruefalse00falsefalsefalse19falsetruefalse00falsefalsefalse20falsetruefalse00falsefalsefalse21falsetruefalse00falsefalsefalse22falsetruefalse00falsefalsefalse23falsetruefalse00falsefalsefalsenum:percentItemTypepurePercentage Return On Unrecovered CapitalNo definition available.false0Percentage return on unrecovered capital27false 4cli_UnrecoveredPartnersNotionalCapitalBalancecli_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9truefalsefalse72000007200000falsefalsefalse10truefalsefalse200000200000falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryUnrecovered Partner's Notional Capital BalanceNo definition available.false2Unrecovered notional capital28false 4cli_DevelopmentManagementAndOtherServicesFeescli_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse109000109000USD$falsetruefalse4truefalsefalse178000178000USD$falsetruefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryDevelopment Management And Other Services FeesNo definition available.false2Development management and other services fees29false 4cli_HoldingAndDistributionPatternUnderOperatingAgreementcli_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00In general, the operating agreement of Overlook Apartments Investors provides that operating cash flows are distributed to members first to Overlook Apartments Member and then to Overlook 2C/3B based on a 6.5 percent preferred return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalse17falsefalsefalse00falsefalsefalse18falsefalsefalse00falsefalsefalse19falsefalsefalse00falsefalsefalse20falsefalsefalse00falsefalsefalse21falsefalsefalse00falsefalsefalse22falsefalsefalse00falsefalsefalse23falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringHolding And Distribution Pattern Under Operating AgreementNo definition available.false0Holding and distribution pattern under operating agreementfalseInvestments In Unconsolidated Joint Ventures (Overlook Ridge JV 2C/3B, L.L.C.) (Narrative) (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.mack-cali.com/role/DisclosureInvestmentsInUnconsolidatedJointVenturesOverlookRidgeJv2c3bLLCNarrativeDetails2329