XML 43 R44.htm IDEA: XBRL DOCUMENT v2.4.1.9
Organization and Basis of Presentation (Details)
 3 Months Ended
Mar. 31, 2015
Kilroy Realty Finance, Inc. [Member]  
Real Estate Properties [Line Items]  
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest 1.00%us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
/ dei_LegalEntityAxis
= krc_KilroyRealtyFinanceInc.Member
Properties Held for Sale [Member]  
Real Estate Properties [Line Items]  
Number of buildings 10us-gaap_NumberOfRealEstateProperties
/ us-gaap_MajorPropertyClassAxis
= krc_PropertiesHeldforSaleMember
Rentable square feet 1,044,844us-gaap_NetRentableArea
/ us-gaap_MajorPropertyClassAxis
= krc_PropertiesHeldforSaleMember
Development Properties [Member]  
Real Estate Properties [Line Items]  
Number of buildings 6us-gaap_NumberOfRealEstateProperties
/ us-gaap_MajorPropertyClassAxis
= krc_DevelopmentPropertiesMember		 [1]
Rentable square feet 1,732,000us-gaap_NetRentableArea
/ us-gaap_MajorPropertyClassAxis
= krc_DevelopmentPropertiesMember		 [1]
Office Properties [Member]  
Real Estate Properties [Line Items]  
Number of buildings 101us-gaap_NumberOfRealEstateProperties
/ us-gaap_MajorPropertyClassAxis
= krc_OfficePropertiesMember
Rentable square feet 13,047,720us-gaap_NetRentableArea
/ us-gaap_MajorPropertyClassAxis
= krc_OfficePropertiesMember
Number of Tenants 515krc_NumberOfTenants
/ us-gaap_MajorPropertyClassAxis
= krc_OfficePropertiesMember
Percentage Occupied 96.10%krc_RealEstatePropertiesPercentageOccupied
/ us-gaap_MajorPropertyClassAxis
= krc_OfficePropertiesMember
WASHINGTON  
Real Estate Properties [Line Items]  
Number of buildings 12us-gaap_NumberOfRealEstateProperties
/ us-gaap_StatementGeographicalAxis
= stpr_WA
San Diego Portfolio [Member]  
Real Estate Properties [Line Items]  
Number of buildings 9us-gaap_NumberOfRealEstateProperties
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= krc_SanDiegoPortfolioMember		 [2]
Rentable square feet 922,741us-gaap_NetRentableArea
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= krc_SanDiegoPortfolioMember		 [2]
Redmond, WA Operating Property [Member] [Member]  
Real Estate Properties [Line Items]  
Number of buildings 1us-gaap_NumberOfRealEstateProperties
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= krc_RedmondWAOperatingPropertyMemberMember
Rentable square feet 122,103us-gaap_NetRentableArea
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= krc_RedmondWAOperatingPropertyMemberMember
[1] Estimated rentable square feet upon completion.
[2] The San Diego Properties include the following: 6260 Sequence Drive, 6290 Sequence Drive, 6310 Sequence Drive, 6340 Sequence Drive, 6350 Sequence Drive, 10770 Wateridge Circle, 4921 Directors Place, 6200 Greenwich Drive, and 6220 Greenwich Drive. The properties are being sold in two tranches. The Company completed the sale of the first tranche for gross proceeds of approximately $95.0 million on April 15, 2015.