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

X

- Definition

Cash dividends declared or paid to each outstanding limited partnership and general partnership unit during the reporting period.

+ References

No definition available.

+ Details

Name:	us-gaap_DistributionsPerLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasic
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

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