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Secured and Unsecured Debt of the Operating Partnership - Additional Information (Details)	Mar. 31, 2025 debt_covenant
Kilroy Realty L.P.
Debt Instrument [Line Items]
Number of noncompliant debt covenants that could require immediate repayment of full principal balance of associated debt	1

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Number of Noncompliant Debt Covenants that Could Require Immediate Repayment of Full Principal Balance

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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