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CONSOLIDATED STATEMENTS OF CAPITAL (KILROY REALTY, L.P.) (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Kilroy Realty L.P.
Distributions declared per common unit (dollars per share)	$ 2.16	$ 2.16	$ 2.12

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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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Balance Type:	na
Period Type:	duration

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- Details

Name:	dei_LegalEntityAxis=krc_KilroyRealtyL.P.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: