v3.26.1
Reportable Segments - NOI from Our Rental Real Estate for Continuing Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting Information [Line Items]        
Rental income $ 785,049 $ 768,827 $ 1,564,895 $ 1,529,637
Operating expenses 265,011 248,606 531,693 504,331
NOI 520,038 520,221 1,033,202 1,025,306
Same Store        
Segment Reporting Information [Line Items]        
Rental income 749,417 735,526 1,490,275 1,460,433
Operating expenses 239,928 232,943 486,146 470,201
NOI 509,489 502,583 1,004,129 990,232
Los Angeles | Same Store        
Segment Reporting Information [Line Items]        
Rental income 116,796 115,731 232,920 230,831
Operating expenses 37,427 35,725 75,760 72,267
NOI 79,369 80,006 157,160 158,564
Orange County | Same Store        
Segment Reporting Information [Line Items]        
Rental income 32,724 31,964 65,230 63,811
Operating expenses 7,389 6,940 14,743 14,174
NOI 25,335 25,024 50,487 49,637
San Diego | Same Store        
Segment Reporting Information [Line Items]        
Rental income 21,576 21,287 42,953 42,392
Operating expenses 4,963 4,605 9,747 9,275
NOI 16,613 16,682 33,206 33,117
Subtotal - Southern California | Same Store        
Segment Reporting Information [Line Items]        
Rental income 171,096 168,982 341,103 337,034
Operating expenses 49,779 47,270 100,250 95,716
NOI 121,317 121,712 240,853 241,318
San Francisco | Same Store        
Segment Reporting Information [Line Items]        
Rental income 121,811 113,781 241,171 226,105
Operating expenses 32,076 32,930 67,020 67,347
NOI 89,735 80,851 174,151 158,758
New York | Same Store        
Segment Reporting Information [Line Items]        
Rental income 127,934 123,589 255,095 245,386
Operating expenses 52,167 50,293 104,994 101,945
NOI 75,767 73,296 150,101 143,441
Washington D.C. | Same Store        
Segment Reporting Information [Line Items]        
Rental income 109,975 109,392 219,603 217,225
Operating expenses 35,147 33,949 71,567 68,689
NOI 74,828 75,443 148,036 148,536
Boston | Same Store        
Segment Reporting Information [Line Items]        
Rental income 81,827 80,924 162,902 160,645
Operating expenses 25,076 23,708 52,073 48,863
NOI 56,751 57,216 110,829 111,782
Seattle | Same Store        
Segment Reporting Information [Line Items]        
Rental income 67,134 66,642 134,186 132,887
Operating expenses 20,046 19,263 40,027 38,026
NOI 47,088 47,379 94,159 94,861
Denver | Same Store        
Segment Reporting Information [Line Items]        
Rental income 27,215 29,092 51,406 54,594
Operating expenses 9,145 9,072 17,284 16,963
NOI 18,070 20,020 34,122 37,631
Atlanta | Same Store        
Segment Reporting Information [Line Items]        
Rental income 23,767 23,989 47,522 48,535
Operating expenses 8,482 8,138 17,019 16,153
NOI 15,285 15,851 30,503 32,382
Dallas/Austin | Same Store        
Segment Reporting Information [Line Items]        
Rental income 18,658 19,135 37,287 38,022
Operating expenses 8,010 8,320 15,912 16,499
NOI 10,648 10,815 21,375 21,523
Non-same store        
Segment Reporting Information [Line Items]        
Rental income 32,947 12,301 67,564 24,395
Operating expenses 13,417 5,230 27,708 11,057
NOI 19,530 7,071 39,856 13,338
Same and Non-same Store        
Segment Reporting Information [Line Items]        
Rental income 782,364 747,827 1,557,839 1,484,828
Operating expenses 253,345 238,173 513,854 481,258
NOI 529,019 509,654 1,043,985 1,003,570
Other        
Segment Reporting Information [Line Items]        
Rental income 2,685 21,000 7,056 44,809
Operating expenses 11,666 10,433 17,839 23,073
NOI $ (8,981) $ 10,567 $ (10,783) $ 21,736