v3.3.1.900

Consolidated Statements of Capital (KILROY REALTY, L.P.) - Parenthetical - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Kilroy Realty, L.P. [Member] |  |  |
Distributions declared per common unit | $ 1.40 | $ 1.40 | $ 1.40

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- Definition Cash dividends declared or paid to each outstanding limited partnership and general partnership unit during the reporting period. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | dei_LegalEntityAxis=us-gaap_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |