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v3.25.1

Secured and Unsecured Debt of the Operating Partnership - Debt Maturities (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 USD ($) extension_option | Dec. 31, 2024 USD ($)
Stated debt maturities and scheduled amortization payments |  |
Unamortized debt issuance expense | $ 11,806 | $ 12,692
Kilroy Realty L.P. |  |
Stated debt maturities and scheduled amortization payments |  |
Remaining 2025 | 604,707 |
2026 | 401,317 |
2027 | 249,125 |
2028 | 400,000 |
2029 | 475,000 |
2030 | 500,000 |
Thereafter | 2,000,000 |
Total aggregate principal value | 4,630,149 |
Less: unamortized net discounts and deferred financing costs | (32,307) |
Total debt, net | 4,597,842 |
Kilroy Realty L.P. | Unsecured Debt | 2024 Term Loan Facility |  |
Stated debt maturities and scheduled amortization payments |  |
Total debt, net | $ 200,000 |
Number of extension options | extension_option | 2 |
Extension period (in months) | 12 months | 12 months
Kilroy Realty L.P. | Unsecured Senior Notes |  |
Stated debt maturities and scheduled amortization payments |  |
Unamortized debt issuance expense | $ 24,200 |
Kilroy Realty L.P. | Senior Notes |  |
Stated debt maturities and scheduled amortization payments |  |
Debt issuance discount | $ 8,100 |

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