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Related Party Transactions (Details) (USD $)
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12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Related Party Transaction [Line Items] | |||
| Lease revenue | $ 516,727,000us-gaap_OperatingLeasesIncomeStatementLeaseRevenue | $ 540,165,000us-gaap_OperatingLeasesIncomeStatementLeaseRevenue | $ 535,822,000us-gaap_OperatingLeasesIncomeStatementLeaseRevenue |
| RG [Member] | |||
| Related Party Transaction [Line Items] | |||
| Related party revenue |
2,401,000us-gaap_RevenueFromRelatedParties / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cli_RGMember |
2,272,000us-gaap_RevenueFromRelatedParties / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cli_RGMember |
728,000us-gaap_RevenueFromRelatedParties / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cli_RGMember |
| Leased Property [Member] | |||
| Related Party Transaction [Line Items] | |||
| Number of real estate properties |
1us-gaap_NumberOfRealEstateProperties / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cli_LeasedPropertyMember |
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| Leased Property [Member] | Mack [Member] | |||
| Related Party Transaction [Line Items] | |||
| Area of property (in square feet) |
7,034us-gaap_AreaOfRealEstateProperty / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cli_LeasedPropertyMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cli_MackMember |
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| Lease revenue |
$ 231,000us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cli_LeasedPropertyMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cli_MackMember |
$ 226,000us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cli_LeasedPropertyMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cli_MackMember |
$ 238,000us-gaap_OperatingLeasesIncomeStatementLeaseRevenue / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cli_LeasedPropertyMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = cli_MackMember |
| X | ||||||||||
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- Definition
Area of a real estate property. No definition available.
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| X | ||||||||||
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- Definition
The number of real estate properties owned as of the balance sheet date. No definition available.
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| X | ||||||||||
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- Definition
The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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