Dispositions and Real Estate Held for Sale - Operating properties sold (Details) - Disposal group, disposed of by sale - Office $ in Millions |
Mar. 31, 2026
USD ($)
ft²
building
|
Jan. 31, 2026
building
|
|---|---|---|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Number of Buildings | building | 4 | |
| Rentable Square Feet | ft² | 466,956 | |
| Sales price | $ 145.5 | |
| Gain on Sale | $ 23.5 | |
| Kilroy Sabre Springs, I-15 Corridor, CA | ||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Number of Buildings | building | 3 | |
| Rentable Square Feet | ft² | 427,764 | |
| Sales price | $ 124.5 | |
| Gain on Sale | $ 8.2 | |
| 12348 High Bluff Drive (Del Mar Tech Center), Del Mar, CA | ||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Number of Buildings | building | 1 | |
| Rentable Square Feet | ft² | 39,192 | |
| Sales price | $ 21.0 | |
| Gain on Sale | $ 15.3 |