Segment Reporting - Operating Activity Within Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Total revenues	$ 250,959	$ 251,535
Total profit from all segments	159,924	161,927
Office Segment
Segment Reporting Information [Line Items]
Total revenues	200,520	202,097
Operating expenses	(74,476)	(73,053)
Multifamily Segment
Segment Reporting Information [Line Items]
Total revenues	50,439	49,438
Operating expenses	(16,559)	(16,555)
Reportable Segments
Segment Reporting Information [Line Items]
Total profit from all segments	159,924	161,927
Reportable Segments \| Office Segment
Segment Reporting Information [Line Items]
Total revenues	200,520	202,097
Operating expenses	(74,476)	(73,053)
Total profit from all segments	126,044	129,044
Reportable Segments \| Multifamily Segment
Segment Reporting Information [Line Items]
Total revenues	50,439	49,438
Operating expenses	(16,559)	(16,555)
Total profit from all segments	$ 33,880	$ 32,883

The aggregate cost of goods produced and sold and services rendered during the reporting period.

- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details