v3.25.4
Supplemental Cash Flows Information of the Company and the Operating Partnership - Supplemental Cash Flow (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Other Significant Noncash Transactions [Line Items]      
Capitalized interest $ 79,542 $ 77,871 $ 74,052
Cash paid for interest, net of capitalized interest of $79,542, $77,871, and $74,052 as of December 31, 2025, 2024, and 2023, respectively 115,912 126,668 105,767
Cash paid for amounts included in the measurement of ground lease liabilities 7,578 6,484 6,733
NON-CASH INVESTING TRANSACTIONS:      
Accrual for expenditures for operating properties and development and redevelopment properties 62,570 54,190 95,575
Tenant improvements funded directly by tenants 3,026 2,745 7,364
Remeasurement of ground lease liability and related right of use ground lease asset 0 4,782 0
NON-CASH FINANCING TRANSACTIONS:      
Accrual of dividends and distributions payable to common stockholders and common unitholders (Note 12) 65,009 64,850 64,440
Kilroy Realty L.P.      
Other Significant Noncash Transactions [Line Items]      
Capitalized interest 79,542 77,871 74,052
Cash paid for interest, net of capitalized interest of $79,542, $77,871, and $74,052 as of December 31, 2025, 2024, and 2023, respectively 115,912 126,668 105,767
Cash paid for amounts included in the measurement of ground lease liabilities 7,578 6,484 6,733
NON-CASH INVESTING TRANSACTIONS:      
Accrual for expenditures for operating properties and development and redevelopment properties 62,570 54,190 95,575
Tenant improvements funded directly by tenants 3,026 2,745 7,364
Remeasurement of ground lease liability and related right of use ground lease asset 0 4,782 0
NON-CASH FINANCING TRANSACTIONS:      
Accrual of dividends and distributions payable to common stockholders and common unitholders (Note 12) $ 65,009 $ 64,850 $ 64,440