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Supplemental Cash Flow Information of the Operating Partnership - Supplemental Cash Flow (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022
SUPPLEMENTAL CASH FLOWS INFORMATION: |  |
Capitalized interest | $ 53,637 | $ 55,080
Cash paid for interest, net of capitalized interest of $53,637 and $55,080 as of September 30, 2023 and 2022, respectively | 60,528 | 43,838
Cash paid for amounts included in the measurement of ground lease liabilities | 4,939 | 4,719
NON-CASH INVESTING TRANSACTIONS: |  |
Accrual for expenditures for operating properties and development and redevelopment properties | 98,631 | 97,014
Tenant improvements funded directly by tenants | 6,026 | 7,397
NON-CASH FINANCING TRANSACTIONS: |  |
Accrual of distributions payable to common unitholders (Note 14) | 64,423 | 64,271
Kilroy Realty L.P. |  |
SUPPLEMENTAL CASH FLOWS INFORMATION: |  |
Capitalized interest | 53,637 | 55,080
Cash paid for interest, net of capitalized interest of $53,637 and $55,080 as of September 30, 2023 and 2022, respectively | 60,528 | 43,838
Cash paid for amounts included in the measurement of ground lease liabilities | 4,939 | 4,719
NON-CASH INVESTING TRANSACTIONS: |  |
Accrual for expenditures for operating properties and development and redevelopment properties | 98,631 | 97,014
Tenant improvements funded directly by tenants | 6,026 | 7,397
NON-CASH FINANCING TRANSACTIONS: |  |
Accrual of distributions payable to common unitholders (Note 14) | $ 64,423 | $ 64,271

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