XML 88 R70.htm IDEA: XBRL DOCUMENT v3.24.3
Segment Information (Schedule Of Segment Reporting By Geographic Area And Property Type) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Segment Reporting Information [Line Items]        
Rental Revenue: Office $ 821,609 [1] $ 785,820 [1] $ 2,442,675 [2] $ 2,331,442 [2]
Rental Revenue: Residential 12,117 [1] 11,789 [1] 37,027 [2] 35,768 [2]
Rental Revenue Total $ 848,808 [1] $ 811,093 [1] $ 2,517,782 [2] $ 2,402,764 [2]
Rental Revenue: % of Grand Totals 100.00% 100.00% 100.00% 100.00%
Rental Expenses: Office $ 321,909 $ 294,454 $ 946,067 $ 865,552
Rental Expenses: Residential 5,988 5,738 17,413 16,984
Rental Expenses: Total $ 337,730 $ 309,212 $ 989,167 $ 906,388
Rental Expenses: % Of Grand Totals 100.00% 100.00% 100.00% 100.00%
Net Operating Income $ 511,078 $ 501,881 $ 1,528,615 $ 1,496,376
Net Operating Income: % of Grand Totals 100.00% 100.00% 100.00% 100.00%
Company's Share of Net Operating Income: % of Grand Totals 100.00% 100.00% 100.00% 100.00%
Boston [Member]        
Segment Reporting Information [Line Items]        
Rental Revenue: Office $ 300,613 [1] $ 276,153 [1] $ 866,431 [2] $ 815,568 [2]
Rental Revenue: Residential 4,219 [1] 4,198 [1] 12,687 [2] 12,371 [2]
Rental Revenue Total $ 319,914 [1] $ 293,835 [1] $ 917,198 [2] $ 863,493 [2]
Rental Revenue: % of Grand Totals 37.69% 36.23% 36.42% 35.95%
Rental Expenses: Office $ 107,876 $ 97,358 $ 321,955 $ 293,004
Rental Expenses: Residential 1,621 1,629 4,757 4,782
Rental Expenses: Total $ 119,330 $ 108,007 $ 352,399 $ 321,638
Rental Expenses: % Of Grand Totals 35.34% 34.94% 35.62% 35.49%
Net Operating Income $ 200,584 $ 185,828 $ 564,799 $ 541,855
Net Operating Income: % of Grand Totals 39.25% 37.03% 36.96% 36.22%
Company's Share of Net Operating Income: % of Grand Totals 39.89% 37.07% 37.51% 36.19%
Los Angeles [Member]        
Segment Reporting Information [Line Items]        
Rental Revenue: Office $ 18,661 [1] $ 0 [1] $ 57,534 [2] $ 0 [2]
Rental Revenue: Residential 0 [1] 0 [1] 0 [2] 0 [2]
Rental Revenue Total $ 18,661 [1] $ 0 [1] $ 57,534 [2] $ 0 [2]
Rental Revenue: % of Grand Totals 2.20% 0.00% 2.29% 0.00%
Rental Expenses: Office $ 7,344 $ 0 $ 20,678 $ 0
Rental Expenses: Residential 0 0 0 0
Rental Expenses: Total $ 7,344 $ 0 $ 20,678 $ 0
Rental Expenses: % Of Grand Totals 2.17% 0.00% 2.09% 0.00%
Net Operating Income $ 11,317 $ 0 $ 36,856 $ 0
Net Operating Income: % of Grand Totals 2.21% 0.00% 2.41% 0.00%
Company's Share of Net Operating Income: % of Grand Totals 3.64% 2.55% 3.89% 2.61%
New York [Member]        
Segment Reporting Information [Line Items]        
Rental Revenue: Office $ 258,295 [1] $ 268,680 [1] $ 780,909 [2] $ 789,851 [2]
Rental Revenue: Residential 0 [1] 0 [1] 0 [2] 0 [2]
Rental Revenue Total $ 258,295 [1] $ 268,680 [1] $ 780,909 [2] $ 789,851 [2]
Rental Revenue: % of Grand Totals 30.43% 33.13% 31.02% 32.87%
Rental Expenses: Office $ 111,419 $ 107,462 $ 327,376 $ 312,895
Rental Expenses: Residential 0 0 0 0
Rental Expenses: Total $ 111,419 $ 107,462 $ 327,376 $ 312,895
Rental Expenses: % Of Grand Totals 32.99% 34.75% 33.10% 34.52%
Net Operating Income $ 146,876 $ 161,218 $ 453,533 $ 476,956
Net Operating Income: % of Grand Totals 28.74% 32.12% 29.67% 31.87%
Company's Share of Net Operating Income: % of Grand Totals 23.41% 25.84% 24.21% 25.57%
San Francisco [Member]        
Segment Reporting Information [Line Items]        
Rental Revenue: Office $ 128,929 [1] $ 135,839 [1] $ 393,252 [2] $ 408,173 [2]
Rental Revenue: Residential 3,152 [1] 3,214 [1] 10,428 [2] 10,720 [2]
Rental Revenue Total $ 132,081 [1] $ 139,053 [1] $ 403,680 [2] $ 418,893 [2]
Rental Revenue: % of Grand Totals 15.56% 17.14% 16.03% 17.43%
Rental Expenses: Office $ 52,410 $ 50,450 $ 148,020 $ 144,732
Rental Expenses: Residential 2,346 2,221 6,733 6,609
Rental Expenses: Total $ 54,756 $ 52,671 $ 154,753 $ 151,341
Rental Expenses: % Of Grand Totals 16.21% 17.03% 15.64% 16.70%
Net Operating Income $ 77,325 $ 86,382 $ 248,927 $ 267,552
Net Operating Income: % of Grand Totals 15.13% 17.21% 16.28% 17.88%
Company's Share of Net Operating Income: % of Grand Totals 16.37% 18.41% 17.65% 18.89%
Seattle        
Segment Reporting Information [Line Items]        
Rental Revenue: Office $ 10,821 [1] $ 13,660 [1] $ 32,251 [2] $ 44,978 [2]
Rental Revenue: Residential 0 [1] 0 [1] 0 [2] 0 [2]
Rental Revenue Total $ 10,821 [1] $ 13,660 [1] $ 32,251 [2] $ 44,978 [2]
Rental Revenue: % of Grand Totals 1.27% 1.68% 1.28% 1.87%
Rental Expenses: Office $ 3,382 $ 2,971 $ 9,753 $ 9,013
Rental Expenses: Residential 0 0 0 0
Rental Expenses: Total $ 3,382 $ 2,971 $ 9,753 $ 9,013
Rental Expenses: % Of Grand Totals 1.00% 0.96% 0.99% 0.99%
Net Operating Income $ 7,439 $ 10,689 $ 22,498 $ 35,965
Net Operating Income: % of Grand Totals 1.46% 2.13% 1.47% 2.40%
Company's Share of Net Operating Income: % of Grand Totals 1.87% 2.56% 1.89% 2.82%
Washington, DC [Member]        
Segment Reporting Information [Line Items]        
Rental Revenue: Office $ 104,290 [1] $ 91,488 [1] $ 312,298 [2] $ 272,872 [2]
Rental Revenue: Residential 4,746 [1] 4,377 [1] 13,912 [2] 12,677 [2]
Rental Revenue Total $ 109,036 [1] $ 95,865 [1] $ 326,210 [2] $ 285,549 [2]
Rental Revenue: % of Grand Totals 12.85% 11.82% 12.96% 11.88%
Rental Expenses: Office $ 39,478 $ 36,213 $ 118,285 $ 105,908
Rental Expenses: Residential 2,021 1,888 5,923 5,593
Rental Expenses: Total $ 41,499 $ 38,101 $ 124,208 $ 111,501
Rental Expenses: % Of Grand Totals 12.29% 12.32% 12.56% 12.30%
Net Operating Income $ 67,537 $ 57,764 $ 202,002 $ 174,048
Net Operating Income: % of Grand Totals 13.21% 11.51% 13.21% 11.63%
Company's Share of Net Operating Income: % of Grand Totals 14.82% 13.57% 14.85% 13.92%
Hotel [Member]        
Segment Reporting Information [Line Items]        
Other revenue $ 15,082 [1] $ 13,484 [1] $ 38,080 [2] $ 35,554 [2]
Operating expense 9,833 9,020 25,687 23,852
Hotel [Member] | Boston [Member]        
Segment Reporting Information [Line Items]        
Other revenue 15,082 [1] 13,484 [1] 38,080 [2] 35,554 [2]
Operating expense 9,833 9,020 25,687 23,852
Hotel [Member] | Los Angeles [Member]        
Segment Reporting Information [Line Items]        
Other revenue 0 [1] 0 [1] 0 [2] 0 [2]
Operating expense 0 0 0 0
Hotel [Member] | New York [Member]        
Segment Reporting Information [Line Items]        
Other revenue 0 [1] 0 [1] 0 [2] 0 [2]
Operating expense 0 0 0 0
Hotel [Member] | San Francisco [Member]        
Segment Reporting Information [Line Items]        
Other revenue 0 [1] 0 [1] 0 [2] 0 [2]
Operating expense 0 0 0 0
Hotel [Member] | Seattle        
Segment Reporting Information [Line Items]        
Other revenue 0 [1] 0 [1] 0 [2] 0 [2]
Operating expense 0 0 0 0
Hotel [Member] | Washington, DC [Member]        
Segment Reporting Information [Line Items]        
Other revenue 0 [1] 0 [1] 0 [2] 0 [2]
Operating expense 0 0 0 0
Noncontrolling interest - property partnerships [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income (44,487) (50,047) (138,448) (145,102)
Noncontrolling interest - property partnerships [Member] | Boston [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income (10,823) (11,786) (32,803) (33,946)
Noncontrolling interest - property partnerships [Member] | Los Angeles [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 0 0 0 0
Noncontrolling interest - property partnerships [Member] | New York [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income (33,664) (38,261) (105,645) (111,156)
Noncontrolling interest - property partnerships [Member] | San Francisco [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 0 0 0 0
Noncontrolling interest - property partnerships [Member] | Seattle        
Segment Reporting Information [Line Items]        
Net Operating Income 0 0 0 0
Noncontrolling interest - property partnerships [Member] | Washington, DC [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 0 0 0 0
Unconsolidated Joint Ventures [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 31,919 39,165 98,936 122,175
Unconsolidated Joint Ventures [Member] | Boston [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 9,099 7,946 26,547 25,294
Unconsolidated Joint Ventures [Member] | Los Angeles [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 6,835 12,508 21,118 38,501
Unconsolidated Joint Ventures [Member] | New York [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 3,472 3,938 12,614 10,951
Unconsolidated Joint Ventures [Member] | San Francisco [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 4,285 4,023 13,850 10,819
Unconsolidated Joint Ventures [Member] | Seattle        
Segment Reporting Information [Line Items]        
Net Operating Income 1,899 1,874 5,713 5,598
Unconsolidated Joint Ventures [Member] | Washington, DC [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 6,329 8,876 19,094 31,012
Company's Share [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 498,510 490,999 1,489,103 1,473,449
Company's Share [Member] | Boston [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 198,860 181,988 558,543 533,203
Company's Share [Member] | Los Angeles [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 18,152 12,508 57,974 38,501
Company's Share [Member] | New York [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 116,684 126,895 360,502 376,751
Company's Share [Member] | San Francisco [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income 81,610 90,405 262,777 278,371
Company's Share [Member] | Seattle        
Segment Reporting Information [Line Items]        
Net Operating Income 9,338 12,563 28,211 41,563
Company's Share [Member] | Washington, DC [Member]        
Segment Reporting Information [Line Items]        
Net Operating Income $ 73,866 $ 66,640 $ 221,096 $ 205,060
[1] Rental Revenue is equal to Total Revenue per the Company’s Consolidated Statements of Operations, less Development and Management Services Revenue and Direct Reimbursements of Payroll and Related Costs from Management Services Contracts Revenue per the Consolidated Statements of Operations.
[2] Rental Revenue is equal to Total Revenue per the Company’s Consolidated Statements of Operations, less Development and Management Services Revenue and Direct Reimbursements of Payroll and Related Costs from Management Services Contracts Revenue per the Consolidated Statements of Operations.